GENERAL INDEX TO VOLUME XC

Abbey Wood (Kent), excavations Altispinax, 87, 88. in Blackheath beds at, x. Aluminium-silicate minerals, in ABBOTt, W. J. L., obit., 1-1i. Stewart I. rocks, 341-3, figs. Abercastle anticline (Pembrokesh.), Am Bodach (Inverness-sh.), Eilde 58. Quartzite at, 479-80, 485-90, Abercastle beds, 53. fig. ; slide hr., 489-90. Aberdeenshire, epidiorites of, 356, Amboro (Nigeria), 209, 211, 214, 405-7. 231 ; riebeckite-granite apo- Abernant Lodge (Pembrokesh.), physis nr., 206 fig., 207; 44. traverse across dyke-swarm hr., Acanthostoma, 77. 209-10. Accion, ancient lake of (Gard), America (N.), continental rotation 451, 452, 456-7, 460. during Carb. period, 109, 115 ; Accounts (& Estimates), xxxiv- Trias of, ccrrel, w. that of other xlvii. areas, 83-4 ; land-connexion w. Acharn (Loch Tay), epidiorite ft., Europe, 82-3, 86, 94-5, 99; 385, 389, 392. w. Asia, 88 ; migration routes Acheron Passage (Stewart I.), 334. of Cretaceous Trachodonts into, Achnamady (Argyll), epidiorite 89; Permian dessication of, ft., 377. 121. Acrotreta, 46. America (S.), continental rotation Actinodon, 78, 122. during Carb. period, 109 ; land- Adam Seat (Westmorland), 435, connexions w. S. Africa, 95. 436. Amhainn Rath (Inverness-sh.), Adelogyrinus, 77. Birmein Quartzite outcrop nr., Aegirine, in granites of Kudaru 490-9. Hills, 220, 221; in Momoda Ammons Hill (Herefordsh.), dyke, 223. Downtonian fauna at, 533-4. Africa, land-connexions w. Asia Amphibole, in fayalite-quartz- & Brazil, 95, 96, 97, 102-4, 110, porphyry of Kudaru Hills, 215 ; 111, fig. ; w. Europe, 96. in riebeckite granite of Kudaru African Rift, foundering of, 129. Hills, 220; in tonalites & xeno- Agde (H~rault), 448, 449. liths of Loch Awe, 311 et sqq. Aiguesmortes (Gard), ancient Amphibolites, Scottish Highlands, RhSne R. at, 446, 451. 357, 360, 379, chem. anal. Albite, in Scottish low-grade epi- Amplexograptus, 57. diorites, 358-9. See also An Torr (Argyll), 377. Quartz-albite. Analyses, chemical, of acid soda A15ne R. (H~rault), 450. rocks fr. W. Africa, 230; of' Alkali variation in Carnmenellis amphibolite & hornblende fr. & Dartmoor rocks, 255, fig., Loch l~yne, 368; bulk, of 261. arsenopyrite fr. Grainsgill veins, A llodaposuchus, 88. 195; chemical, of biotite, 336, Allt Beochlich (Argyll), 357. 337; of biotite-pyroxenite ft. Allt Be-loin (Inverness-sh.), 474 Seeconnell, 608; of chlorite fr. et sqq. Scottish epidiorite, 362; of Allt Coire Ceirole (Inverness-sh.), epicUorites ft. Scottish High- traverse at, 475, 476. lands, 360, 368, 372, 379; of Allt Iondrairm (Inverness-sh.), fayalitic rocks of Kudaru Hills, 475-6, map. 218; of fused sediment ft. Almandite, in rocks of Stewart I., Slievenisky, 603-4 ; of granites 343-4, chem. anals. of Kudaru Hills, 222 ; of Skid- 721 722 GENERAL INDEX [vol. xc,

daw granite & associated rocks, Archaeotiphe, 287. 172-3 ; of Carnmenellis granitic regularis sp. nov., 287-8, rocks & minerals, 252, table fig., pl. ix. facing 276; of granodiorite fr. Ardifuar (Argyll), 360. Carrivmoragh, 623; of greywacke Arenig rocks, St. David's area, 36, & shale fr. Edendarriff Mr., 603 ; 49-55. of hybrid rocks of Newry Argyll. See Awe (Loch), & High- Igneous Complex, 611, 617, 620 ; lands. of minor intrusive rocks of Arles (Bouches-du-RhSne), RhSno Kudaru Hills, 225; of pelitie R. at, 446, 453, 456, 457, 460. rocks of Unst, 651 ; of peridotite Armagh, County. See Newry fr. Crocknafoyle, 605; of rie. Igneous Complex. beckite fr. granite of Kudaru Arsenepyrite, in veins in Grains- Hills, 226-7; of sphalerite fr. gill granite, 187, 190 et sqq. Grainsgill veins, 195; of Loch Arun R. gorges, origin of, ii-iii. Awe tonalites, 315. Arvonian, Pembrokeshire, 35. Anatolian land-bridge, 96. Ashes (Llanvirn), St. David's, 56, Anchisaurus, 123. 57, 58; petrography of, 66-7; Andalusite, in Carnmenellis rhyolitic, Hayscastle area, 40. granite, 250, 259; in Saxa See also Llandeloy Ashes. Vord schists, 659, fig., 660; in Asheston (Pembrekesh.), 40. xenoliths in Loch Awe tonalite, Ashgill Shales, Lake District, 18 ; 307. Wharfe Congl. comp. w., 25, Andesite, nodular, Mosedale Beck, 28. 429-30. See also Harter Fell Ashgillian, Austwick-Ribblesdale Andesites, &c. area, 8, 11-18, figs. Andesite sills, in Coarse Tufts of Ashile formation, Mongolia, 88. Long Sleddale-Shap area, 432-3. Asia, land-connexion w. N. Angaraland, Caledonian folding in, America, 88; w. Africa, 96, 97. 106. Asknish Bay (Argyll), epidiorite fr., Anglo.Welsh area, Downtonian & 375, fig. Dittonian of, 526-44; fossils of, Astrophyllite, in granites of 564-6, 571-84. Kudaru Hills, 222; in Momeda Ankorite veins in Skiddaw granite, dyke, 223. 164, 183, 187. Atlantic Ocean, land-bridges A nningia, 79. across, 94-5, 96. Annual Report of the Council, Atlantic type eruptions, conti- vi-xlvii. nental drift &, 108. Antarctic Carboniferous glacia- Auchelie (Aberdeensh.), epidiorite tion, 105-8, fig. fr., 393. Apatite-quartz veins in Grainsgill Auditors elected, v. granite, 187, 189. Augen-granite, Skaw, 677, pl. xxiii. Aplite veins, Newry Ign. Compl., Augite, in Scottish epidiorites, 625. 369-71, 387. Aplites, in Carnmenellis granite, Augite-biotite-diorite, Newry Ign. 248, 252. Compl., 609-13, fig., chem. Appin Core, Fort William-Glen anal. ; formation of, by plagio- Roy distr., 472-3. clase magma, 626-7. Appin Fold, 464-5. Augite-hornfels, invaded by fused Appin Limestone, at Onich & Cuil sediment of Newry Ign. Compl., Bay, 470, 511-13. 597 fig., 598; petrogr, of, Appin Phyllite, at Onich & Cuil 601-2. Bay, 470, 511-13. Augite-monzonite, Newry Ign. Appin Quartzite, 464 et sqq.; at Compl., 613-18, figs., chem. Onich & Cull Bay, 470, 509- anal., 624. 11. Aureole rocks, Carnmenellis, 255, Appin Recumbent Syneline, 470. 257-62, 263-5, figs. Applethwaite beds, Long Sled- Australia, absence of geological dale-Shap area, 422. surveys in, xc-xci ; pal~eo- Ara.gonite, in ore deposits of Pen- geography during Carb. glacia- nine type, 699-700. tion~ 105, 106, 115, part 4] GENERAL INDEX 723

Austwick Beck (Yorks.), 12, 21, 24. Barmby-on-the-Moor (Yorks.), Austwick Beck Head (Yorks.), 65-ft. gravel at, 151. 16 sectn., 18. Barrandia, 56. Austwick Flags & Grits, 20, 21-2, Basalt dykes, Kudaru Hills, 211 ; 24, 25; corr. w. other areas, 28. b. xenoliths in fayalite-quartz- Austwick Valley, Ashgillian at, porphyry of D. Kadandara, 11-13, fig. 216. Austwick-Ribblesdale area, Lr. Basement Clay of Holderness, 141. Palaeozoic of, 7-29. Basic dykes & sills, Unst, 653, Autun (France), 78. 657, 661, 669, 676, 677-8. Autunite, in Carnmenellis granite, Basic rocks of Main Serpentine 257. Block, Unst, 662, 666-9. AvI~.Nus's " Ora Maritima ", 446- BATHER, F. A., death announced, 8; descr, of sea-coast & lower xcvii; obit. of A. H. Foord, lii. RhSne in, 448-55, fig. Batholith, granitic, Stewart I., Awe, Loch (Argyll), contaminated 323, 330-1, 349. tonalites of, 302-21, figs. Batok (Java), xcvi. Batrachiderpetum, 77. Babinda (Nigeria), 205 et sqq. Batrachosuchus, 80. Babindw-Amboro riebeckite-gran- Beaucaire (Gard), 445; ancient ire apophysis, 206 fig., 207, Rh6ne R. at, 452 et sqq. 212, 213. Bedded Tufts, Long Sleddale- Babinda Hill, basalt dyke at, 211. Shap area, 422, 425, 427-8, Backside Beck (Yorks.), 28. 435 et sqq. Baggeridge Colliery (Staffs.), Beinn Fhionnlaidh (Argyll), Downtonian fauna at, 532. quartzite outlier at, 504-5. BAILEY, E. B., on West Highland Beinn Maol Chaluim (Argyll), Tectonics : Loch Leven to quartzite outlier at 504. Glen Roy, 462-523, figs., pls. Belgium (& France)," Gedinnian xv-xviii, 525. of, 551-2. BAI~, A. D. N., on the Younger Bellegarde marshes (Gard), identi- Intrusive Rocks of the Kudaru fied as site of lake Accion, Hills, Nigeria, 201-38, figs., pls. 452, 455, 457. vi-viii, 239. Bellerophon, 50. Baliasta (Unst), 655-6. Ben Nevis granite, 470. Ballachulish Fold, 464-5. BENSO~r W. N., 353; on Recent Ballachulish Lag, 465, 467; in Geological Studies in South- Coire Mhorair, 505; exposures Western New Zealand, xeix-c. on shores of Loch Leven, 518-21. BICSBY Medal, list of recipients, Ballachulish Limestone, in Appin xxxi. Recumbent Syncline, 470; in Binnein-Eilde Schists, Loch Leven Spean-Roy distr., 474. distr., 477-8. Ballachulish Slate, in Appin Re- Binnein Mor (Inverness-sh.), cumbent Syncline, 470. 496-9. Ballachulish Slide. See Balla- Binnein Quartzite, 470, 472; in chulish Lag. Loch Leven distr., 478; at Ballachulish succession, W. High- Caolasnacon, 479, 483-4; type lands, 463-6. outcrop of, 490-9. Ballymagreehan (Co. Down), 591, Binnein Schist, 470; relation to 624. Glencoe Qu. in Loch Leven Banding, in Carnmenellis granite, distr., 481, 483; to Binnein 245, 251, 272; in ore-veins of Qu. at Caolasnaeon, 483-4. Pennine type, 706-8, fig. Biotite, in Carnmenellis granite Banffshire, epidiorites of, 356, & xenoliths, 243, 244-5, 250, 405-7. 259, 260 ; in granites of Kudaru Bar nan Damh (Loch Fyne), 357. Hills, 221-2, 231-2; in Scot- Barium minerals, in ore deposits of tish epidiorites, 376, 387, 392-3, Pennine type, 694-5, 702-3; 397; in Skiddaw gr., 165 et paragenesis of, 709. sqq. ; in Loeh Awe tonalite & B~LOW-JA~rEsoZ~ FreD, list of xenoliths, 304 et sqq. ; reaction recipients, xxxii, to magmatie & pneumatolytic 724 GENERAL INDEX [eel. XC,

environment, 335-7 ; analyses Borrowdale VoIcanic series, Long of, 173, 336, 337. Sleddale & Shap area, 418-42, Biotite.granite, Kudaru Hills, 208, figs., pls. xiii & xiv. 221-2, 228-32; Stewart I., Bosahan quarry (Cornwall), 244, 323-4; chem. anals. 222, 230. 256, 257. Biotite-granite-gneiss, Stewart I., Boston Spa (Yorks.), low-level formation fr. biotite-muscovite- gravels at, 152-3. schist, 332-4. BOSWELL, P. G. H., 30. Biotite-hastingsite-granite, Ku- Bothriospondylus, 84, 86, 99. daru Hills, 221. Bouches-du-Rh6ne (France). See Biotite-hornfels inclusions in Rh6no R. Carnmenellis granite, 258, 260, Boulder-clay, St. David's, 36, 51. 261-2, figs., chem. anals.; in BOULTON, W. S., obit. of A. M. Newry granodiorite, 624-5. Henshaw, lii-Iiii; of H. Lap- Biotite-muscovite-schist, Stewart worth, lviii-lx. I., 324-6, 326-9; 332-4, figs. Bouzigues (H6rault), 450. "Biotite-pyroxenite," the term, Brachiopoda, Coniston Limestone 607. series, Austwick-Ribblesdale, Biotite-pyroxenite, Newry Ign. 10, 11. Compl., 588-9; fusion of sedi- Brachiosaurus, 86. ments by, 598; petrogr, of, Bramham (Yorks.), glacial deposits 606-9, fig., chem. anal. ; plagio- hr., 150. clase magma &, 626-7; b.-p. BRAMMALL, A., 200, 276, 634-5; magma, 618-19, 623. grant fr. Gloyne Fund to, x. Biotite-riebeckite-granite, Kudaru Brandy Brook (Pembrokesh.), Hills, 221. 46, 47, 51. Biotite zone epidiorites. ~ee Low- Brandy Gill (Cmnberland), 160, grade epidiorites. 164, 183 et sqq. ; greisen vein at, BISAT, W. S., on glacial gravels of 164, 170, 173 chem. anal., Market Weighton area, 155-6. 178-9. Bismuthinite, in veins in Grains- Brantingham Grange (Yorks.), gill granite, 187, 190, 194. 152. Black Mountains (Wales), 527 et Brasilids, 118. s~lq, Brathay beds correI, w. Austwick Blackhazel Gill (Cumberland), Flags & Grits, 28. Skiddaw gr. at, 162, 166, 167, Brayton Barff (Yorks.), glacial 171-3, chem. anal. gravels of, 146-7, 151. Blackheath beds, Abbey Wood, Brazil, land-connexions w. Africa, excavations in, x. 95, 102-4, 110, 111, fig.; w. Blaenllyn (Pembrokesh.), 37, 40, Asia, 95; w. Europe, 82; 42, 54, 55, 62. Trias of, correl, w. that of other Blea Moss (Westmorland), 431. regions, 83-4. Blea Water Crag (Westmorland), Brescou (H6rault), identified w. 427. ancient Blasco, 448. Bleak Hill (Westmorland), 429, Bridge of Nevis (Inverness-sh.), 431, 436. 472. Blencathra (Cumberland), 160. Brill (Cornwall), 242 et sqq. Blende, in ore deposits of Pennine BROMEHEAD, C. E. 1~., 156. type, 701. Browgill beds, Austwick-Ribbles- Bolitho-Boswyn "fine granite ", dale area, 19-20, 28. 244, 250. Brownhowe Bottom (Westmor- BOLTOI~, H., on :New Forms from land), 430, 436. the Insect Fauna of the British Brownstones, of W. Midlands, Coal Measures, 277-301, figs., 529; of Gower, 542. pls. ix & x. BRUCE, Rt. Hen. S. M., receives Boltoniella, 278, 299. Lyell Medal for W. Howchin, uniformis sp. nov., 278-9, lxxv-lxxvi. fig., pl. ix. Brunel beds, St. David's, 36, 37, Boreise quarry (Cornwall), 243. 47, 49-54, 56. Boring at Goodmanham Spring, Brynhyfryd (Pembrokesh.), 38, 152. 59, 60. part 4] GENERAL INDEX 725

Buekbarrow Crag (Westmorland), Captain Whelter Beck (Westmor- 428, 429, 431. land), 427. Buckbarrow Well (Westmorland), Caradocian of Austwick-Ribbles- 432, 437. dale area, 8-11. Budock (Cornwall), 242. Carbonate minerals, in ore de- Burdell Gill (Cumberland), Skid- posits of Pennine type, 700. daw granite at, 162, 186. Carbonatization of ore-veins, BURK~TT, M. C., 156. Grainsgill, 191, 195, pl. v. Burnt I. (Stewart I.), 334. Carboniferous glaciation, palmo- Burnthouse quarry (Cornwall), geography during, 105-8, fig. 245. Carboniferous sandstone, in Burra Firth Group, Unst, 642-3. gravels of Holme-upon-Spald- Burtreeford monocline, relation ing Moor, 143, 145. to N. Pennine mineral zones, Carboniferous south pole, 113-14, 696-7, 698--9, 703, 715. 116, 121. Butarana (Nigeria), 203. Carboniferous tectonic move- Butte (Montana), mineralization ments, dispersal of reptiles &, compared w. that of N. Pen- 105-10. nines, 704-5. Cardiola, 23. Carditomantea reecei sp. nov., Cacops, 78. 573, pl. xx. Caerbwdy series corr. w. Tregle- --virelyi, 572-3, pl. xx. mais group, 39. Cam Treglemais (Pembrokesh.), Caerfai Bay (Pembrokesh.), 46. 38. Caerfai red shale band, 44-5. Carnmenellis granite, petrology, Caerfai beds, St. David's, 36, metamorphism, & tectonics of, 44-5. 240-76, figs., chem. anals. Caerfegga (Pembrokesh.), 47. Carnsew quarry (Cornwall), 245. Caerforiog Bridge (Pembrokesh.), Carnymyl (Pembrokesh.), 38, 44, 38, 39, 59. 59. Calcite, in ore deposits of Pennine Carrivmoragh (Co. Down), grano- type, 700. diorite fr., 622, 623, chem. anal. Caldew valley (Cumberland), Carrock Fell gabbro, relation- Skiddaw granite in, 160, 161 ship to Skiddaw granite, 163, map, 162-5, fig., 171. 164, 183, 186. Caldy I. (Pembrokesh.), Down- CARRUTHERS, R. G., 718 ; his tonian & Dittonian at, 539 work on the W. Highlands, et sqq. 466, 473-4, 478, 479. Caledonian, of Scotland, 547-9; Carsaig (Argyll), 362. direction of C. folding, 106; Castle Morris (Pembrokesh.), 48, rifting along, 118. 58, 65. Callograptus, 57. " Cathaysia," 122. Calvadnae (Cornwall), 246. Cautley beds correl, w. beds of Calymene, 10, 11, 50, 56. Ribblesdale, 25, 28. ~-beds, Cautley, 25. Central (& S.-W.) Highlands, epi- Camarotvechia, 15, 17, 28. diorites of, 354-416, figs., pl. Cambrian, St. David's, 33, 35, 36, xii. 37, 43-9. Central outcrop of Skiddaw Camptosauria, climatic influence granite, 162 ; petrogr, of gr. of, on migration of, 126. 166-8, 171-3, fig., chem. Camptosaurus, 86, 88, 99. anal. Canada, Geological Survey of, Cephalaspis, 530, 531. lxxxv, lxxxviii, lxxxix. Cerbyd-uchaf (Pembrokesh.), 44, Caolasnacon (Argyll), Binnein Qu. 65. outcrop at, 479, 483-4; map of Cette (H~rault), ancient Rh6ne formations, dips, & current- R. at, 445, 450, 451. bedding nr., 482; structuralChalcedony, in ore deposits of relations nr., 484-5. Pennine type, 699. Capitosaurus, 80. Chalcopyrite, in Grainsgill veins, Capple Bank (Yorks.), 16, 22, 23, 194; in ore deposits of Pennine 25. type, 695-9, 701. 726 O~.NV.RAL INDEX [VO1. XC,

Chamops, 91. CT,OOS theory of granite tectonics CHARLESWORTH, J. K., obit. of applied to Carnmenellis gr., W. Swanston, lxviii-lxix. 265, 267, 271. Chasmops, 11. Clova (Aberdeensh.), 393 et sqq. CHATWI~, C. P., obit. of F. L. Cluny Bridge (Perthsh.), 387. Kitchin, lvii-lviii. Clyro Hill (Radnorsh.), 538. Cherts. See Yoredale cherts. Cnoc-na-Faire (Argyll), epidiorite Chiastolite-slate, contact of, w. ft., 376. Skiddaw granite, 172, 175, Coal-Measure sandstone in 200-ft. chem. anal. gravels at Rothwoll Haigh, 151. " Chinastone " ashes, St. David's, Coal Measures, insects fr., 56 et sqq. 277-301, figs., pls. ix & x. Chindlo beds, N. America, 83, " Coarse granite " of Carnmen- 84. ellis, 242-3. Chitracephalus, 90. Coarse Tufts, Long Sleddale-Shap Chiveta beds (Karroo), 79. area, 422, 424, 428 et sqq. Chlorite, in pelitic rocks of Unst, Cobalt minerals, in ore deposits 648-50, 659, 660-1, figs.; in of Pennine type, 699. Scottish epidiorites, 361-5, 369, Cocytinum, 77. 371-3, 380; retrograde, in Coedbach (Pembrokesh.), 56, 57. Scottish epidiorites, 399-405. Coed Ty-newydd Grug (Pem- Chlorite zone epidiorites. See brokesh.), 51, 57, 66. Low-grade epidiorites. Co~lophyaia, 83. Chlorite-muscovite-schist, Unst, Cvelurosaurus, 79. 649, fig., 650-1, chem. anal. Coire Mhorair (Argyll), 487, map; Chl~ritoid-kyanite-schists, Saxa Ballachulish Lag in, 505. Vord, Unst, 652-3, 654 et sqq. Coldwell beds, Austwick-Ribbles- Chloritoid-schist, Unst, 649 et dale area, 20, 23, 28. sqq., fig., chem. anal. Conchochelys, 92. Chonolithie form of Younger Concretions, spiral, exhibited, ci. Intrusive rocks of Kudaru Cone-sheet intrusions, Kudaru Hills, 214, 233. Hills, 212-13. Church Hill (Horme-upon-Spald- Conglomerate (Lr. Cambrian), St. ing Moor), x; glacial gravels David's area, 44; (Llanvirn) of, 142-6, figs., pl. iii. same area, 57. See also Cistecephalus zone, Tanganyika Wharfe Conglomerate. Terr., 79, 80. Coniston Flags & Grits, 20. Clanvaraghan Mr. (Co. Down), Coniston Limestone series, Aust- 592, 598, 600. wick-Ribblesdale area, 8 et sqq. ; CLARKE, E. DE C., obit. of A. Long Sleddale & Shap area, Montgomery, lxiv. 421, 422, 435, 437. Classius R. (modern Lez R.), Continental drift & rotation, 448, 450, 451. Carboniferous glaciation &, Clear Fork beds, Tetrapod fauna 105-7, fig., 116; isostatic ad- of temp. w. DShlen & Auttm justment &, 108 ; folding &, 128. fauna, 78. Continental rifting, 108-10. Cleavage, in Carnmenellis com- Coomb Height (Cumberland), 163, plex, 263-5, fig.; in Long 164, 185, 188, 193; chem. anal. Sleddale-Shap area, 439 ; of greisen at, 173. " cleavage way " in Carnmen- Cordierite, in Carnmenellis ellis granite, 266-7. granite, 250, chem. anal.; in Clegyr Conglomerate, St. David's, Carnmenellis xenoliths, 259, 39. 260, chem. anals. ; in xenoliths Clibberswiek Serpentine Block, in Loch Awe tonalite, 360 et Unst, 639, 669-72, map. sqq., fig. Clifte Hill (Yorks.), glacial sand " Core," the term, 467. at, 148. Cornulites, 15. Climatic cycles, 126-7; el. in- Cornwall, Lower Devonian of, fluence on distribution of fossil 544-7 ; mineralization in, com- reptiles & Stegocephalians, pared w. that of :N. Pennines~ 118-30, 704, 705. part 4] GENERAL INDEX 727

Corundum, in xenoliths in Loch Cybele, 11. Awe tonalites, 307, fig., 310. Cyclotosaurus, 80. Corvaspis kingi gen. et sp. nov., Cynognathus zone (Karroo), 80, 566-7, pl. xix. 81, 84, 122. Corvedale (Shropshire), Cyath- Cyrtograptus, 21 et sqq. aspidian fish ft. Downtonian of, lundgreni & C. murchisoni 566-7. zones, Austwick-Ribblesdale Cosheston beds, 542, 543, 546. area, 20 et sqq. Council (& Officers) elected, xxiii-xxiv. Daling series correl, w. Everest Cox, A. H., 72-3; grant fr. J. B. Pelitic series, ii. Tyrrell Fund to, xi. DalmaneUa, 10, 15. Cox, L. R. See STEBBING, Dalnoid (Perthsh.), epidiorite fr., W. P. D. 386, 387, 392. Crag Hill (Ribblesdale), 16 ; Damuda series, correl, w. Mr. Coniston Limestone series at, Everest rocks, ii; Glossopteris 10-11, 17, 22, 24; C. I-I. & conspicua fr., 2. Cautley deposits correlated, 25. DANIEL-PIDGEON Fund awarded Crags Mill (Westmorland), 423. to J. D. Solomon, ix; list of Craignish (Argyll), epidiorite fr., recipients, xxxiii. 375, fig. Dartmouth Slates, 544 et sqq. " Crassa " grit, Cautley, 28. DAS GUPTA, H. C., obit., li-lii. Craven faults, 7, 25. Dasyceps, 80. Creag Bhreac (Argyll), epidiorite DAvI~s, A. M., elected auditor, v. fr., 378. Delta of the RhSne, 445; Avie- Creagnan Cuilean (Argyll), epi- nus's description of, 451-2. diorite fr., 370, 372-3, chem. Dessication, post-Carboniferous, anal. 119; Permian, of N. America, Creag nan Iallag (Knapdale), 121; Triassic, 123, 124. 360. Devonian, Lr., of Cornwall, 544- Creigiau-bach (Pembrokesh.), 53. 7 ; D. folding in Long Sleddale- Crinan (Argyll), epidiorite fr., Shap area, 433-4, fig., 435-7. 369-71, 377. DEWEY, H., obit. of W. J. L. Croeknafoyle (Co. Down), 588; Abbott, 1-1i. peridotite fr., 605, chem. anal. ; DiceUograptus, 12. augite -biotite-diorite fr., 61 l- 12. Diceratosaurus, 77. Croesgoch (Pembrokesh.), 55. Dieraeosaurus, 86. Croft Mitchell (Cornwall), 243. Dicynodon, 81, 82. Crookdale Fold (Westmorland), Didymograptus, 51, 57. 435. bifidus beds, St. David's, 36, Crowan Beacon (Cornwall), 243, 37, 55-8. 244. " Dimetian," use of term, 40-1. Crozet I., 115. Dimetian igneous intrusions, St. Crummackdale (Yorks.), 8, 10, 11; David's, 35, 40-3; petrogr, of, AshgiUian of, 15-17, fig. ; Brow- 61-4. gill beds of, 19-20; Salopian Dimorphograptus, 18. rocks of, 21-4; geol. sectns. zone, Hunterstye, 18. along, 26. Dindymene, 12. Ctenodonta, 50. Dinilysia, 91. cf. aff~nis, 582. Dinocephalia, climatic influence Ctenosaurus, 122-3. on, 122, 126. Cuil Bay (Argyll), 470; Cuil Bay Diopside, in xenoliths in Loch Slate at, 513-14. Awe tonalite, 308 et sqq. ; in the Cur.rent-bedding, 463, 466 et sqq. ; tonalite, 311-12, 313, 314. m Loch Leven distr., 478-9; Diopside-hornfels, in matrix of nr. Caolasnacon, 482. fused sediment, Slievenisky, Cwm Dwr (Carmarthensh.), Tile- 596, fig. stones of, 538, 539. Diorite, Hayscastle & Johnston, Cwynwydd (N. Wales), 28. 43; Iqewry Ign. Compl., 619- Cyathaspidian fish fr. Down- 21; d. intrusions (Dimetian) of $onian of Corvedale~ 566-7. St, David's area~ 42-3, 63, 728 GENERAL INDEX [vol. XC,

Diplograptus, 12, 57. 10, 223-4, 225; quartz-por- Discosaurus, 78. phyry, same area, 210-11, 214, Dislocation, Unst, betw. Valla 225 chem. anals. ; basic, same Field & Saxa Vord blocks, 647- area, 211 ; concentric arrange- 8, 652, 654-5, map, 657; in ment & dips of Kudaru dykes, Clibberswick Serpentine, 671 ; 211-12; of Unst, 646-7, 653, metamorphism of, 678-81, map; 657, 669, 676, 677-8. size of, 681-2. Dysalatosaurus, 86. Dittonian, of West Midlands, 527, 528-9, 530-2; of Wales, 536- Earth-movements, effect on course 43; of Spitsbergen, 550-1; of lower RhSne, 45,5-60, fig. correl, of, 553-5. Earthquake regions, tectonic belts DxxoN, E. E. L., 157, 568-9. &, 115. Dog Hill (Westmorland), 422. East Indies, tectonics of, xcvi- D6hlen basin, Tetrapod fauna xevii. comp. w. Wichita & Clear Fork East Loch Tarbert (Argyll), epi- faunas, 78. diorites fr., 380, 383. Dokum beds, N. America, 82 et sqq. Ecliptic, change of, its influence Dolerite dykes, St. David's area, on vertebrate faunas, 127-8. 43, 59, 68; petrogr, of, 63-4. Eaapaosaurus, 77. Dolomite, in ore deposits of Pen- Edendarriff Mr. (Co. Down), grey- nine type, 700. wacke & shale fr., 603, chem. Dolomite Mts., structure of, com- anals. pared w. that of W. Highlands, Edenite, in xenoliths in Lo(.h 524-5. Awe tonalite, 313. Douk (Dew) Ghyll (Yorks.), EDW)~RDS, A. B., 635. Inglotonian at, 9-10; D. G. & Elide Flags, 464, 470; relation to Cautley deposits correlated, 25. Glencoe Quartzite, 466; at Down, County (Ireland). See Fort William & Glen Roy, Newry Igneous Complex. 470-2, 473, 474. " Downfold," the term, 467. Eilde Quartzite, in Spean-Roy Downtonian, of West Midlands, distr., 473, 474; Am Bodach 527, 528, 530-6; of Wales, 536- outcrop of, 479-80, 485-90 ; 43; of Scotland, 547-9; of type outcrop of, 499; outcrop Norway, 549-50; of Spits- E. of Eilde Fl., 502-3. See bergen, 550-1; correl, of, 553- also Glencoe-Eilde Quartzites. 5; D. fossils of the Anglo- Eilde Schist, 470; relation to Welsh area, 564-6, 571-84. Binnein Quartzite, 484, 491-4. " Drepanorogenous Arc," 114. See also Binnein-Eilde Schists. Dromatherium, 80. Eilean du Mheinn (Argyll), Dry Grove Gill (Westmorland), epidiorite fr., 369-71. 428. Eilean Traighe (Argyll), epidi- Dry Rigg quarry (Swarth Moor), orites fr., 360, 362, 366, 378. 23. EUerker (Yorks.), 152. Dundarave Point (Loch Fyne), Elvans, in CarnmeneUis granite, epidiorites fr., 358, 365, 374, 248, 252, 268, chem. anal. 376. Emerson vein, Grainsgill, 163, DUNHAM, K. C., on the Genesis of 164, 183 et sqq. the North Pennine Ore Deposits, Endothiodon zone, Tanganyika 689-717, figs., pls. xxiv & xxv. Terr., 79, 80. Dvinia, 80. " Envelope," the term, 467. Dwyka beds correl, w. Sustovo Eodiscus, 46. beds of Russia, 79. " Epidiorite," the term, 355. Dyke-like occurrence of Carn- Epidiorites, Central & S.-W. menellis type 2 granite, 244. Highlands, progressive meta- Dykes, dolerite, St. David's area, morphism in, 356-96, figs. ; 43, 63-4; pegmatitic & fels- confusion of, w. Green Beds, pathic, in Carnmenellis type 2 396-7 ; retrogressive meta- granite, 245; pre-granite, Ku- morphism in, 397-405 ; of daru Hills, 204-5, 219, 225; Banffsh. & Aberdeensh., 405-7; post-granite, same area, 208-- zoning by, 407-9, map. part 4] GENEI~ALINDEX 729

Epidote, in pyroxene-fayalite. Fayalite-quartz-porphyries, Ku- .granite of Kudaru Hills, 217; daru Hills, 203-4 ; oval in Scottish e.pidiorites, 359, form of intrusion, 211 ; petrogr. 362, 386-7; m xenoliths in of, 214-16; chem. anal. of, Loch Awe tonalite, 313, 314. 218. Equatorial Belt of folding, Fayalitic rocks, Kudaru Hills, Cretaceous-Tertiary, 110-14, 217-19, chem. anals., 228. fig., 115, 118-19, 121, 128 et sqq. FE~NSIDES, W. G., 29, 74; Equisetaceous stems, 3-5, figs. obit. of G. J. Williams, lxx-lxxi. Erratic. See Greywacke pebble. Fecyus (modem Cette), 448, 449. Eryops, 78, 79. Federated Malay States Geo- Erythrite, in ore deposits of logical Survey, xci. Pennine type, 699. Felin Wen (Pembrokesh.), 48. Erythrosuchus, 97. Fellows elected, iii, iv, v, xcv, Estimates (& Accounts), xcvii, xcviii, c, el; names read xxxiv-xlvii. out, i, ci ; number of, vi. Estoril (Portugal), Leviathania sp. Felsite & felsitic tuff, Treiva, 40. fr., xcviii. Felspars, in fayalite-quartz-por- ]~tang de Mauguio (H4rault), 451, phyry of Kudaru Hills, 214 et 460. sqq. ; in pyroxene-fayalite- Etang de Thau (H4rault), 448, granite of same area, 216-17; 450. in Scottish epidiorites, 358-9, Etive, Windows & outliers of, 385-6, 398-9; of Skiddaw 503-5. granite, 166. Euparkeria, 81. Felspar-quartz veins in Grainsgill Eurasia, connexion w. S. Afr. in granite, 187, 188-9, fig. Muschelkalk, 81. Felspathic dykes in Carnmenellis Europe, evolution of U. Cre- granite, 245, chem. anals.; f. taceous reptilian fauna of, 88; veins in Newry Ign. Compl., 625. land-connexions w. Africa, 96; Fenno-Scandia, Dasyceps in, 80. w. N. America, 94-5, 99; Ffestiniog beds, 48. reptilian migration routes from, Ffynnon-Ddewi-fach (Pembroke- 82, 110, 111, fig.; correl, of sh.), 47. Trias w. that of other regions, Financial report, vii-ix. 83-4; correl, of U. Permian w. " Fine granite " of Carnmenellis, that of S. Africa, 78-80 ; Down- 243-4, 250, chem. anal. tonian & Dittonian of N.-W. Fishes, in Silurian rocks of Britain, Europe, 526-66. 530; Downtonian & Dittonian, Eurymyella ammoni8 sp. nov., 530-1, 566-7. 577, pl. xxi. FITCH, A. A., grant fr. J. B. --cL shaleri vat. longa, 577. Tyrrell Fund to, x-xi. Eurypterida, British Silurian, 531, Flags. See Austwick Flags & 563. Horton Flags. Everest (Mr.) Expedition, geo- Flow-structure in Carnmenellis logical impressions, i-iii. granite, 243, 268-73, fig.; in Everest Pelitic series, ii. dykes of Kudaru Hills, 209 ; in Evron Hill (Aberdeensh.), epi- granite of same area, 213, 220. diorite ft., 407. Fluorspar, in ore deposits of Pen- nine type, 694-5, 702-3; para- F~_LCO~ER, J. D., 238. genesis of, 709. Farlovian, of W. Midlands, 529. " Fold-fault," the term, 467. Faulting, Austwick-Ribblesdale Folding,continental drift &, 128-30. area, 24-5 ; Long Sleddale- Folding, in Lower Palmozoic of Shap area, 437-9; Ralfland Austwick-Ribblesdale area, 24- Forest, 422; St. David's, 34, 5; pre-Bala & Devonian, in 35, 36-7 figs., 68-9. Long SIeddale-Shap area, 433- Faults, mineralized, in Skiddaw 4, fig.; of St. David's area, granite at Grainsgill, 163-4. 36-7, 68. See also Structural Favosites, 10, 16. zones. Fayalite, association w. acid rocks, Foliation, in granodiorite of Newry 217-19. Ign. Compl., 592-4, map. 730 GENERAL INDEX Ire1. XC,

FOORD, A. H., obit., lii. Garnets, in Scottish epidiorites, Ford beds, Hayscastle, 48. 378-80, 388-90, chem. anal.; Foreign Correspondents elected, chloritization of, 405; in rocks iii ; number of, vi ; list of, xxvi. of Stewart I., 342-4, figs., Foreign Members elected, iii ; chem. anals. number of, vi; list of, xxv. GARWOOD, E. J.(& H. H. T~O~AS), Forfar, Caledonian of, 548. obit. of J. E. Marr, lx-lxiv. Fort William distr. (Inverness-sh.), Gatesgarth Beck (Westmorland), Eilde Flags & Linnhe Dark 426. Schist & Quartzite in, 470-2. Gatesgarth Pass (Westmorland), Fort William Lag, 465, 467, 427. 470, 472; in Spean-Roy distr., Gedinnian, France & Belgium, 473--7. 551-2 ; correl, w. English Down- Fort William Slide. See Fort tonian, 553-5. William Lag. Geological surveys, essential fea- Forter Castle (Glen Isla), epi- tures of, lxxxi-xcv. diorite fr., 391. Geosynclinals, pars-equatorial, France, changes of level in, 456- 117-18, 129-30. See also Equa- 60, fig.; (& Belgium), Gedin- torial Belt & Longitudinal Belt. nian of, 551-2. Gerarus, 282, 299. Freshwater Bay E. (Pembrokesh.), -- (?) symmetricus sp. nov., 539; Downtonian & Dittonian 282-3, fig., pl. ix. at, 540. GHOSH, P. K., on the Carnmenellis Freshwater Bay W. (Pembrokesh.), Granite : its Petrology, Meta- 540, 541. morphism, and Tectonics, 240- Froswick Tufts, Long Sleddale- 76, figs. Shap area, 422, 425, 435, 436. Gignog (Pembrokesh.), 40. FucHs, V. E., grant ft. Gloyne Girvan, Ordovician of, comp. w. Fund to, x. that of Austwick-Ribblesdale, Funds (& Medals), awards for 27. 1934, xii. Glacial gravels of Holme-upon- Fused sediments. See Sedimen- Spalding Moor, 142-6 ; of tary rocks. Brayton Barff, 146-7; of Vale Fusion of sediments by intrusions of York, 147-51; of Barmby- of Newry Ign. Compl., 595-9. on-the-Moor, 151; of Market Fyne, Loeh (Argyll), anal. of Weighton, 151-2; at Good- amphibolite ft., 367-8. manham Spring, 152; at North Cave, 152 ; near EIIerker, 152 ; Gabbro boulders, Kudaru Hills, at Boston Spa, 152-3. 211. Glaciation, pal~eogeography dur- Gaerwen (Pembrokesh.), 50, 52, 53. ing Carb. period, 105-8, fig. Galadiman Babincl~ (Nigeria), Gladiograptus, 21. 204. Glaphyrophlebia, 284. Galeforth Gill (Westmorland), 429. delicatula sp. nov., 284-5, Galeforth Brow (Westmorland), fig., pl. ix. 437. Glashan, Loch (Argyll), 357, 358, Galena, in ore deposits of Pennine fig. type, 695-9, 701, 709. Glaucosaurus, 79. Galena-fluorspar vein, Sedling Glen Clova (Forfarsh.), epidiorites mine, banded structure in, ft., 394, 399, 400. 706-7, fig. Glen Clunie Lodge (Perthsh.), Galloway Hill quarry (Bramham), opidiorites fr., 385, 386. 150. Glen Creran pitch.depression, 465. Gangamopteris, 2, 4. Glen Doll (Forfarsh.), epidiorites Gangue minerals in ore deposits of ft., 395. Pennine type, 694-5, 702-3, pl. Glen Fernate (Perthsh.), epidio. xxiv. rites fr., 386. GARDNER, ELINOI~ W., report on Glen Lochy (Argyll), epidiorite fr., work in Kharga Oasis, xi. 391. Garnet zone epidiorites, Scottish Glen Muick (Aberdeensh.), epi- Highlands, 378-92, chem. anals. diorite ft., 395. part 4] GENERAL INDEX 731

Glen Nevis (Inverness-sh.), ex- 8, fig., 212-14, 219-22, 230-2; posure of Appin Recumbent Skaw, 676-8, pl. xxiii; Skid- Syncline in, 470. daw, & its residual products, Glen Roy distr. (Inverness-sh.), 158-99, figs., pls. iv & v; Eilde Flags & Linnhe Dark gr. sills, Unst, 646. Schist & Quartzite in, 470-2. Granite-schist contact in Stewart Glen Spean (Inverness-sh.), Leven I., 322-53. Schist at, 464. Granitic magma. See Magma. Glencoe Quartzite, 466, 470; Granodiorite, Newry Igneous Com- relation to Leven Schist in .plex, 590-2 ; fluxion foliation Loch Leven distr., 480--1; to in, 593-5, map; contact w. Binnein Schist, 481, 483; con- sediments, 599; petrogr, of, tact w. Am Bodach qu., 486-8. 621-3, chem. anal.; xenoliths Glencoe-Eilde Quartzites, Loch in, 624-5; formation of, 630-1. Leven distr., 478. Granophyre. See St. David's Glossopteris conspicua, 1-2, figs. granophyre. -- indica, 2-4, figs. Granular texture in N. Pennine flora, range of, 4--5; migra- ore-veins, 708. tion of, 122, 123. Graptolite zones, Austwick-Rib- decipiens, 4. blesdale area, 18-19, 20. GLOY•E Outdoor Geological Re- Gravels. See Glacial gravels. search Fund, grants made fr., Great Britain, (& N.-W. Europe) x--xi. Downtonian & Dittonian of, Glyptarca, 50. 526-66; Geological Survey of, Gneiss-masses in riebeckite- lxxxiv-lxxxv. granite of Kudaru Hills, 205, 210. Great Glen Fault, 471. Gneisses, Unst, 642-5. Great Hook (Pembrokesh.), 64. Gneissic banding in Carnmenellis Great Howe (~Vestmorland), 431, granite, 245, 251,272. 432, 436. Gold Coast Geological Survey, xci. Great Sulphur Vein type of ore Gombati R. (Tanganyika Terr.), deposits, 693, 710-12; age of, Karroo plants ft., 1-6. 713. Goniopholis, 86. Great Yarlside (Westmorland), Goodmanham (Market Weighton), 431. hanging valley at, 147-8. GREEN, ,][. F. N., 9, 73-4, 416-17, Goodmanham Spring, boring at, 443-4, 523-4, 687; on Appin- 152. Cull Bay area, 511, 512-14; Goosemire (Westmorland), 426. his views on the tectonics of the GORDON, M. M. O., compares W. Highlands considered, 514- structure of W. Highlands and 21. Dolomites, 524-5. Green Beds, Scottish Highlands, GORDON, W. T., 569. chlorites of, 363 ; hornblendes Gordonia fauna, Elgin, 79-80. of, 374 ; spheric in, 375 ; biotite Gouther Crag (Westmorland), 428, of, 387; garnets of, 388; con- 431. fusion w. epidiorites, 396-7. Grainsgill Beck (Cumberland), Green Schists of Start Point, Skiddaw granite outcrop at, chlorites & hornblendes fr., 160, 161 map; petrogr, of gra- 364-5. nite at, 168-70, 173 chem. Greenland, land-connexion w. anals.; greisen at, 164, 170-1, ~urope & America, 104-5. 173 chem. anal., 177-83. Greenschist, Main Block, Unst, Grammysia ? anceps sp. nov., 662, 666 et sqq. Muness green- 576-7, pl. xxi. schist, 673, 675, 676. Granite, biotite-, Kudaru Hills, " Greenstone," the term, 666-7. 208, 221-2; chem. anals., 222, Greenstone, Main, Unst, 662, 667- 230, 231-2. 8, 669; Mu Ness Gr., 672-3. Granite, Carnmenellis, 240-76, Greenstones, Carnmenellis, 257-8, figs. ; pyroxene-fayalite-, Ku- 263, 265, chem. anals. daru Hills, 204, 216-17; Red, GREGORY, J. W., 276, his views on in glacial dep. at Newbald, 148 ; Loeh Leven-Glen Roy area riebeckite-, Kudaru Hills, 205- considered, 521-2. 732 GENERAL INDEX [vol. xc,

Greisen, Grainsgill, 159, 160, 164- Hawkesbury series, Australia, 106. 5; petrography of, 169-70, pl. Hayscastle (Pembrokesh.), 35, 37, iv; exposure of, in R. Caldew, 47, 61; H. qu.-porphyry & 171; chem. anals, of, 173, diorite, 43; Welsh Hook beds 177-9, fig. ; distribution of at, 45; Ford beds at, 48. magmatie water in, 179; origin Heard I., 115. of, 179-83; gr. veins nr. Hebertella, 11. Grainsgill, 164, 170-1. " Heliolites "(Propora)interstincta, Greisenization of Stewart I. 10. granite, 346-9, fig. Hell Hole (Shelsley Walsh), 533. Gr~s de Pernes, 552 et sqq. Hellwith Bridge (Yorks.), 24. Gr~s de Vimy, 546, 555. Helochelydra, 87. Greycrag Tarn (Westmorland), Hemichelys, 92. 430, 432, 437. Hemimylacridia, 291. Oreywacke pebble in gravels of Hendro Gof (Pembrokesh.), 47, Wingate Hill, 150. 49. Greywackes, Austwick, 22 ; Eden- HENSHAW, A. M., obit., lii-liii. darriff Mr., 603, chem. anal. HERON, A. M., obit of H. C. Das Grit, schistose, in glacial gravels of Gupta, li-lii. Holme-upon-Spalding Moor, 144, Hessle moraine of Holderness, fig., 146; (Lr. Cambrian) of 152. St. David's area, 44; (M. HICKLINO, G., obit. of W. Pickup, Cambrian) of Tancredston inlier, lxiv-lxv ; receives Murchison 46. Gee also Austwick Flags & Medal, lxxiii-lxxv. Grits. HICKS, H., his work in St. David's, Grorudite dyke, Kudaru Hills, 223. 35. Gryphvea gravel at North Cave, High Cross (Cornwall), 242 et sqq. 152. High Wether How (Westmorland), Gunnister-Loch of Cliff imbricate 427. belt, Unst, 654-5, map. Highlands (Scotland), Central & South-West, epidiorites of, 354- Halleflintas (Pebidian), St. 416, figs., pl. xii ; West, tectonics David's, 38-9, 59-60. of, 462-525, figs., pls. xv-xviii. HALLIMOND, A. F., 238-9, 686. HILL, E., obit., liii-liv. Halysites, 10, 16. Hill 4 (Kudaru Hills), 212; con- Hapaloptera, 295, 299. tact of riebockite- and biotite- obovata sp. nov., 295-7, fig., granites at, 208, 213, 221, pl. x. 231. (?) parallela sp. nov., 297-8, Hill 5 (Kudaru I-Iills), 204, 205. fig., pl.x. Himalayan range, elevation of, Haplosuchus, 89. iii. " Hard Limestone," in glacial HITCHE~, C. S., 686-7, 719; on deposits at Newbald, 148. the Skiddaw Granite and its Harding vein, Grainsgill, 185 et Residual Products, 158-99, figs., sqq. pls. iv & v. Harknessella vespertilio, I0. Hitteron I. (Norway), 549. Harter Fell (Westmorland), 426, Hobgrumble Gill (Westmorland), 427. 427, 429, 436. Harter Fell Andesites, Long Sled- HOBSON, BERNARD, bequest fr., dale-Shap area, 421 et sqq. xii. Haskew Beck (Westmorland), 431. HOLLAND, T. H., addresses to Haughton Moor (Yorks.), 148. Medallists & recipients of Funds, Haweswater (Westmorland), 420, lxxii-lxxx; on the Essential 421. Features of a Geological Survey, Haweswater Rhyolites, Long Sled- lxxxi-xcv. dale-Shap area, 421 et sqq. HOLLINGWORT~, S. E., 442, 718- Haweswater tunnel, 420 et sqq.; 19; on the Skiddaw granite, geol. sectn, along, pl. xiv. 199-200. HAWKES, L., 238, 276; on the Hollybush quarry (St. David's), Tectonics of the Island Arcs 40; igneous intrusions at, 42-3, of the East Indies, xcv-xcvii. 63. part 4] GENERAL INDEX 733

Holme - upon - Spalding Moor of, in granodiorite, 624-5; (Yorks.), glacial gravels of, origin of, 628-9. 142-6, figs., pl. iii; erosion at, Hyperodapedon, 81. 153. Hypersthene, in xenoliths in Loch HOLMES, A., 719-20, 632-3. Awe tonalite, 308, 309, 310; HOL~DAHL, O., obit. of C. H. in Loch Awe tonalites, 311; Homan, liv-lv. h. rocks in Newry Ign. Compl., Ho~N, C. H., obit., liv-lv. 619-21, chem. anal., 624, 629- Homveosaurus, 87. 30. HOPKINS, F. G., on W. H. Hypersthene-monzonite, Slieve- Wollaston, ci-cviii. garron, 620, chem. anal. Hoplitosaurus, 125. Hornblende, in fayalite-quartz- Igneous rocks (post-Ordovician), porphyry of Kudaru Hills, 216; St. David's, 58-9. in pyroxene-fayalite-granite, Iguanavua, 91. 217 ; in Scottish low-grade Iguanidee, dispersal of Cretaceous, epidiorites, 357 et sqq.; re- 91. fractive index of, 363-6, 403; Iguanodon, 87, 88. chem. eomp. of, 366-9; orig!n Ilcenopsis, 56. of, 371-2 ; status of, 373-4; m Ill~nus, 13. Scottish garnet zone epidiorites, Ilmenite, in Carnmenellis xeno- 380-5 ; in Scottish kyanite zone liths, 260. epidiorites, 392-3; in Scottish Imbricate belt, Saxa Vord, Unst, sillimanite zone epidiorites, 395 ; 654-5, map. in Loch Awe tonalites & xeno- Inclusions. See Xenoliths. liths, 305 et sqq., fig.; chem. India, separation fr. Somaliland anals, of, 389-90. in Cretaceous period, 109. Hornblende-porphyry intrusions, India, Geological Survey of, lxxxv, St. David's, 41-2, 43, 62-3. lxxxvi, xc, xciii-xc*v. Hornblendic intrusive rocks, St. Ingletonian, Austwick-Ribbles- David's, 48--9, 64-5. dale area, 8-10. Hornfels, of Newry Ign. Compl., Injection-rocks of Valla Field 596-7, 600-2, figs. ; of Stewart Group, Unst, 645-6. I., 324; h. inclusions in Carn- Innse Quartzite, Loch Leven menellis granite, 258, 259-62, distr., 478-9, 480. figs., chem. anals. ; in grano- Insecta, new forms fr. British diorites of Newry Ign. Compl., Coal Measures, 277-301, figs., 634-5; in Loch Awe tonalites, pls. ix & x. 305-8, 309-10, 312-13, figs.; Intrusion-sequence of Carnmen- chem. reaction w. L.A. tonalites, ellis granite, 248. 316-21. Intrusions, in granite of Kudaru Horton Flags, Austwick-Ribbles- Hills, 204-5, 208-11; in Long dale area, 20, 23. Sleddale-Shap area, 432 ; Dime- Herren fossiliferous limestone, 11. tian intrusions of St. David's Herren Wood (u 25. area, 39, 40, 41-3, 61-4; post- Horton-in-Ribblesdale & Aust- Cambrian of same area, 48-9, wick (Yorks.), Lr. Palaeozoic 64-5. rocks of, 7-29, figs., pl. i. Inverliver Bridge (Loch Awe), House Porter & Housekeeper, re- 365, 366. tirement of, cii. Inverness-shire. See West High- HOWCHIN, W., Lyell Medal lands. awarded to, lxxv-lxxvii. Island arcs, tectonic zones &, 116; Howes (Westmorland), 427. tectonics of i.a. of E. Indies, " Humber, Lake," 141, 154. xcv-xcvii. Hunterstye (Yorks.), 16, 18, 22, Isostatic adjustment, continental 28; Skelgill beds at, 18-19. drift &, 108. Hybrid rocks, Newry Ign. Compl., 589-90 ; fusion of sediments by, 598; contact w. sediments, J. B. TYRRELL FUND, report on 599-600; petrogr, of, 609-21, grants made fr. xi-xii; list of figs., chem. armls.; xenoliths grantees, xxxiii. Q.J.G.S. No. 360 3c 734 GENERAL INDEX [VO1. XC,

JACKSON, J. W.~ receives Mur- Kilbo (Forfarsh.), epidiorite fr., chison Fund, lxxix-lxxx. 394. Jarrow (Ireland), Permo-Carb. Killas, Carnmenellis, 258-9. Stegocephalia of, 77. KI~o, W. B. R., 31; (& W. H. Java, volcanoes of, xcv-xcvii. WILCOCKSON) on the Lower Johnston (S. Wales), quartz- Palseozoic Rocks of Austwick albite rocks & diorites of, 43, 63. and Horton-in-Ribblesdale, Jointing, in Carnmenellis granite Yorkshire, 7-29, figs., pl. i. & aureole rocks, 264-8, figs. KING, W. W., on the Downtonian JoLY, J., obit., lv-lvii. and Dittonian Strata of Great JoNEs, O. T., 74, 524, 685; on Britain and North-Western Austwick-Ribblesdale area, 29- Europe, 526-66, 570. 30. Kinlochleven Recumbent Anti- JoNEs, W. R., receives Wollaston cline, 467. Fund, lxxviii-lxxix. Kinlochleven Upfold, 494-6, 501. Jop Ridding (Yorks.), 12. KITCHIN, F. L., Lyell Medal Jurassic climate, dispersal of awarded to, lxxvii-lxxviii ; reptiles &, 124-5. obit., lvii-lviii. KITSO~, A. E., xci. Kademdara (Nigeria), 203, 216. " Klebber," Unst, 671. Kangnasaurus, 88. Knapdale, South (Argyll), map of Kannemeyeria, 81. epidiorite zones of, 408. Kaxelian amphibolites, chlorites Koiloskiosaurus, 80. ft. compared w. those of Kottlassia, 80. Scottish epidiorites, 362, 375-6. Kudaru (Nigeria), 207 et sqq. Karpinskysaurus, 80. Kudaru Hill, 204, 207. ~rroo, climatic and faunal Kudaru Hills, Younger Intrusive changes during, 121-2 ; corre- rocks of, 201-38, figs., pls. vi- lation of K. formation, 5, 83-4; Vl|l. K. plants fr. Tanganyika Terri. Kyanite, in Carnmenellis granite, tory, 1-6. 256, 257; in Valla Field rocks Katumba (Nigeria), 203, 204, 213, of Unst, 648 et sqq., fig.; in 221. Saxa Vord rocks, 659 et aqq., Katttmba fault, 216. fig. Kavirondo region (Kenya), reser- Kyanite zone epidiorites, Scottish vation of geological areas in, Highlands, 392-4. xiii. I~zan beds. See Ural Copper Laccolites, St. David's area, 48-9, Sandstone. 54. Keisley Limestone, 11. Laccolithio form of Younger In- Keld Gill (Westmorland), 422. trusive rocks of Kudaru Hills, Keloet (Java), xcvi. 214, 233. Keltney Burn ( Perthsh. ), epidiorite " Lag," the term, 467, 524, 525. fr., 391-2. Laglingarten (Loch Fyne), epi- Kemp How (Westmorland), 423. diorites fr., 387, 391. KE~rI~rmDY, W. Q., 633-4, 686. Lamprophyre dykes, Long Sled- Kentmere (Westmorland), succes- dale area, 433. sion in Borrowdale Volcanic Lanshaw Hill (Westmorland), series at, 421-2. 422, 423. Kentmere Pike Rhyolites, 421, Lantivet (Cornwall), Dartmouth 422, 424, 428-9, 435 et sqq. Slates at, 544 et aqq. Kentrurosaurus, 86. Lan-yr-Olchfa (Pembrokesh.), 53. Keratophyres, St. David's, 58, 67. Laplatasaurus, 89. Kerguelen Is., 115. LAPWORTH, H., obit., lviii-lx. Keuper, S. Africa & Europe, Lateral secretion, genesis of N. Platseosaurians in, 83. Pennine ore deposits &, 714. Kharga Oasis (Egypt), report on Lawyer's Brow (Westmorland), Miss E. W. GAttDNER'S work in, 429. xi. Lead-bearing veins in Skiddaw Kidodi (Tanganyika Terr.), 1, 4; granite area, 187. K. coal beds, 4, 5. Lecha (Pembrokesh.), 38, 41. part 4] O~aAL I~Dwx 735

Ledopsis barroisi sp. nov., 580-1, Loch Leven-Glen Roy distr., geol. pl. xx. of, 462-525, figs., pls. xv-xviii. Lee's Knob (Stewart I.), 324, 326. Lochmeyler (Pembrokesh.), 51, Legananny Mr. (Co. Down), 589 et 64. aqq. Loch-na-Craige (Argyll), epi- Leptvena, 17. diorite ft., 378-9, 382-3, 388-9, Leptelloidea, 12. 390, 391,402-3, chem. anals. Leptodesma ? downtoniana sp. nov., Loch of Cliff Limestone, Unst, 577-8, pl. xx. 653, 655-6. Leptothermal group of mineral Loch of Cliff-Gunnister imbricate deposits, Pennine veins in, 706. belt, Unst, 654-5, map. Level, changes of. See Earth- Lochturffin (Pembrokesh.), 53. movements. Long Sleddale (Westmorland), Leven Schist, 464, 470; in Spean- 428 et sqq. Roy distr., 474; in Loch Leven Long Sleddale & Shap (Westmor- distr., 477, 480-I. land), Borrowdalo Volcanic Leviathania sautieri, xcviii. series & associated rocks in the Lez 1~. (H~rault), identified w. country betw., 418-42, figs., ancient Classius, 450, 451. pls. xiii & xiv. Lias, reptilia of, 84. Longitudinal Belt of folding, Library, donors to, xv-xxi. Mesozoic-Tertiary, 111 fig., 114- Library Committee, report of, 16, 128. xiii-xxi. Loricosaurus, 90. Libycosuchus, 88, 89. Lossiemouth Sandstone, Stego- LibyAn, Psammites de, 551 ; correl. cephalia in, 81, 83; correl, of, w. English Downtonian, 553, 81, 84. 554. Lough Island Reavy (Co. Down), Limonite fr. vein on Coomb 592. Height, 193-4, chem. anal. Low-grade epidiorites, Scottish Lingula, 50, 57. Highlands, 357-78, figs., chem. Lingula Flags, St. David's, 35 et anals. sqq. Lower Andesites. See Ralfland Lingulella, 46, 48, 57. Forest Andesites. Linnhe Dark Schist & Quartzite, Lowther valley (Westmorland), Fort William-Glen Roy distr., 419, 422. 470-2. Ludlow Bone Bed, 527 et sqq. Linton (Ohio), Permo-Carb. Stego- Lunda Wick (Unst), 645. cephalia of, 77. LYELL MEDAL, awarded to W. Liocaris, 79. Howchin, lxxv-lxxvii; to F. L. Little Harter Fell (Westmorland), Kitchin, lxxvii-lxxviii ; L. 427. FUND awarded to F. W. Shot- Llandeloy (Pembrokesh.), 50. ton, lxxx; list of Medallists & Llandeloy Ashes, St. :David's, 36, recipients of Fund, xxix-xxx. 52-3, 54, 65-6. Lystrosaurus zone, Tanganyika Llangynog (Carmarthen), 54. Terr., 79, 80. Llanhowel (Pembrokesh.), 44 ; qu.-porphyry intrusion at, 41, Mabws anticline, Pembrokeshire, 61-2. 37, 44, 49 ; Lingula Flags along, Llanreithan (Pembrokesh.), 35, 42. 48; Brunel beds of, 53-4; Llanvirnian (Lr.), St. David's, 34, Tetragraptus Shales of, 54-5. 36, 37. See also Didymo- McLI~TOCK, W. F. P., 685. graptus bifidus beds. Macromerium, 77. Loch a' Ghille Bain (Argyll), epi- Madagascar, land-connexion w. diorite ft., 381. Africa, 101-2. Loch Callater (Aberdeensh.), epi- Maentwrog beds, 48. diorite fr., 395, 396. Magmas, biotite-pyroxenite & Loch Curren (Argyll), " epi- peridotite, Newry Ign. Compl., diorite " mass nr., 396. 618-19, 623 ; Carnmenellis Loch Leven (W. Highlands), granite m., intrusion history of, Ballachulish Lag exposures on, 263, 265, 269, 270-1, 273-5; 518-21. granitic m., Stewart I., 323,330- 3c2 736 GENERAL INDEX [vol. xc,

2 ; plagioclase m. of Newry Ign. geol. sectn, fr. iaweswater to Compl., 623, 625, 626-8, fig., Long Sleddale along the line of chem. anal., 632 et sqq.; sub- the Manchester Corporation Pennine m. as source of Pen- Aqueduct, pl. xiv ; Meall Dearg nine ore deposits, 715. & Coire Mhorair, 487; Newry Ma.gmatic emanations, pre-iatru- Igneous Complex, 586, 594, pl. men, invasion of Stewart I. xxii ; N.W. Pembrokeshire, 33 ; schist by, 328-9, 338. sectn, across N. Pennine mineral Magmatie water, in Grainsgill field showing arrangement of greisen, 179. mineral zones, 703 ; map of the Magnesia, absence fr. fayalitic N. Pennine veins, showing dis- rocks, 228. tribution of minerals in deposits Magnetite, in xenoliths in Loeh of Pennine type, pls. xxiv & Awe tonalite, 309; in Loch xxv; ancient course of lower Awe tonalite, 311. RhSne, 449; E. end of St. Maguelonne (H~rault), 451 ; David's Pre-Cambrian area, pl. ancient RhSne R. at, 452. ii; outcrops of the Skiddaw Maigamo (Nigeria), 204, 207, 212, granite, 161 ; the Grainsgill 214. outcrop of the Skiddaw gr., Main Anticline (Westmorland), 426 184; geol. sectn, across Stewart et aqq. I., 325 ; Pegasus district, Stewart Main Serpentine, Unst, 662-6, I., pl. xi; Unst, 640, 641; map. geol. sectns, across, 643; imbri- Main Serpentine & Greenstonc cate belt of, 654; Main Ser- Block, Unst, 639, 662-9, figs. pentine of, 663 ; Clibberswick Maitland series, Australia, 106. Serpentine of, 670 ; metamorph- Malay. See Federated Malay ism & structure in, 679. States. Marcasite, in ore deposits of Pen- Malayo-European migration nine type, 699, 709. routes, 110, 111, fig. Mardale {Westmorland), 424, 426, Mammalian remains in glacial 432, 435, 436. deposits at Mill Hill, 149. Maria (Nigeria), 203-4. Man Brook (Trimpley), 532-3. Market Weighton area (Yorks.), Manchester Corporation Water- glacial gravels of, 141-55, figs., works Haweswater tunnel. See pl. iii. Haweswater tunnel. M~R, J. E., decease announced, Mandschurosaurus, 89. i ; obit., Ix-lxiv. Manorbier Bay (Pembrokesh.), Mathry (Pembrokesh.), 53, 55, Downtonian & Dittonian at, 58. 540, 541. Mathry Hill, 53. Mansa (? modern Meze), 448, 449. Mathry-Tancredston sectn., 37. Maps, geological, Allt Iondrainn, MATLEY, C. A., xi. 475 ; Lr. Palaeozoic of Austwick Meadfoot beds, 545 et sqq. & Ribblesdale, pl. i; Babinda- Meall a' Bhuirich (Inverness-sh.), Amboro granite apophysis, 206 ; 499-501. formations, dips, & current- Meall Dearg (Argyll), 486 et sqq., bedding nr. Caolasnacon, 482; map. of the Carnmenellis granite & Medals & Funds, awards for 1934, metamorphic aureole, 241, 264, xii. 266, 269, 274; tectonic trough ~Iediterranean, foundering of, of eastern France, 458; Glen 128-9. Roy to Loch Leven, w. inset to Megalosaurus, 84, 88. Loch Etive, pl. xv; Kudaru Meling quarry (near Bramham), Hills, pl. viii ; part of the Loch 150. Awe region, showing contamin- MELMORE, S., grant fr. Gloyne ated tonalite area, 303, 304; Fund to, x; on the Glacial of the country between Long Gravels of the Market Weighton Sleddale & Shap (Westmorland), Area and related deposits, pl. xiii; the Long Sleddale- 141-55, figs., pl. iii, 157. Shap area, showing pre-Bala & Menevian shales, St. David's, Devonian axes of folding, 434; 36, 44 ; of Tancredston inlier, part 41 GENERAL INDeX 737

45-6 ; post-Cambrian intru- Mineralized veins in granites of sions into, 48-9. Kudaru Hills, 222-3. Merapi (Java), xcvi. Minerals, of Carnmenellis granite, M~ricourt, Schistes de, 551-2; 257; in greisen of Grainsgill, correl, w. English Downtonian, 169-70; in Grainsgill ore-veins, 553-4. 187-91, figs.; in ore deposits Meristina, 12, 15, 17, 28. of Pennine type, 694-710; Mesitoblatta, 288-9. in deposits of Great Sulphur nodulata sp. nov., 289-91, Vein type, 710-12; genesis of fig., pl. x. N. Pennine m., 713-15; m. Mesosaurus beds, Brazil, 79. in tonalite of Loch Awe, 304-5, Mesothermal group of mineral 308, 310-12; in xenoliths in deposits, Pennine veins in, 706. L.A. tonalite, 306-7, 308-10, Mesozoic equator, 115-16. 312-13, figs. Mesozoic poles, position of, 111 Miolania, 91. fig., 113-14, 115, 119, 125. MITCHELL, G. H., on the Borrow- Metamorphic rocks, Newry Ign. dale Volcanic Series and Compl., petrogr, of, 600-4, Associated Rocks in the Country fig., chem. anal. between Long Sleddale and Metamorphism, Newry Ign. Shap, 418-42, figs., pls. xiii & Compl., 595-9; of Scottish xiv, 444. epidiorites, 354-416 ; of Valla Modiolopsis, 50. Field Block, Unst, 648-52; complanata, 573-4. of Saxa Vord Block, 658-62; -- var. nov. trimpley. of Unst dislocations, 678-81. ensis, 574-5, pl. xx. " Meteorologica" of (?) Aristotle, gradata, 575. reference to ancient Rh6ne R. leightoni var. nov. curta, in, 452. 575-6, pl. xxi. Metoposaurus, 82. -- nilssoni, 575. Meze (H~rault), 450. Mohr's joints, in Carnmenellis Mica, in Scottish epidiorites, 376, granite, 267-8, figs. 387; in Carnmenellis granite, Molybdenite, deposition in veins 250; in greisen of Grainsgill, in Grainsgill granite, 187, 190. 169. Momoda (Nigeria), 223. Mica-schists, Stewart I., 323, Mondrepuits, Schistes de, correl. 324-9; xenoliths of, in granitic w. English Downtonian, 553,554. magma-flow, 330 ; dispersal of, Monk Fryston (Yorks.), 150. in granitic magma, 332. Monobolina, 57. Micaization of felspar of Skiddaw Monograptus, 18, 20 et sqq. granite, 166. zones, Austwick-Ribbles- Microcline-microperthite, in ton- dale area, 18 et sqq. alite of Loch Awe, 304, 305, MONTGOMERY, A., obit., lxiv. 308, 312, 314; in xenoliths in Monzonite. See Augite-monzon- same tonalite, 306, fig., 307. ite & Hypersthene-monzonite. Microgranite intrusions, Kudaru Moraine, late Glacial, Vale of Hills, 204-5, 209, 219; petrogr. York, 152. of, 223-4; chem. anals., 225, Mosedale (Westmorland), 427 et 230. sqq. Micropholis, 79. Mosedale Andesites, 421. Midlands (W.), Downtonian & Mosedale Beck, 427. Dittonian of, 527-36, 543-4. Mottled Tufts, Long Sleddale- MI~s, H. A., receives Wollaston Shap area, 422-3. Medal, lxxii-lxxiii. Moughton Sike (Yorks.), 24. Mill Hill (Yorks.), sectn, in Moughton whetstones, Austwick- glacial deposits at, 148-9. Ribblesdale area, 20, 23, 25. Mineral composition, of Carnmen- Mu Ness Greenstone & Serpentine ellis granite, 249-52 ; of Loch Block, Unst, 641, 672-3. Awe tonalites, 316 ; of Skiddaw Mud belt, Anglo-Welsh Down- granite, 171-4. tonian-Dittonian, 543-4, 547, Mineralization, in biotite-granite 557; Cornish Lr. Devonian, of Kudaru Hills, 228-31, 233-4. 546-7, 555, 557. 738 GENERAL INDEX [VO|. XC~

Mudstones (Middle Cambrian) of Niobe, 50, 52. Tancredston inlier, 46. Niolamia, 91. Munchira (Nigeria), 201, 204, 213, NOCKOT.DS, S. R., on the Con- 216. taminated Tonalites of Loch Muness Phyllite Block, Unst, Awe, Argyll, 302-21, figs. 641, 673-6, fig. Nodular andesite, Mosedale Beck, Muness Phyllites, Unst, 673, 675-6. 429-30. MURCHXSON MEDAL awarded to NoPcsA, F~A~cm, obit., xlviii- G. Hickling, lxxiii-lxxv; M. xlix; on the Influence of FUnD awarded to J. W. Jack- Geological and Climatological son, lxxix-lxxx ; list of ])'actors on the Distribution of Medallists & recipients of non-Marine Fossil Reptiles and Fund, xxviii. Stegocephalia, 76-140, figs. Muscovite, in Carnmenellis Norber Brow & Norber Sike granite, 245, 250; in Carnmen- (Yorks.), 12. ellis xenoliths, 259, 260 ; in North Cave (Yorks.), 152. Stewart I. schist, 327 et sqq.; North Cliffe (Yorks.), glacial sand paragenesis of, Stewart I., at, 148. 340-1, fig. North Craven fault, 25. Muscovite-myr me k it e-gr anit e, North pole, Mesozoic, 115, 119 ; Stewart I., 345-6, fig. ; musco- Permian, 121. vitization of, 348, 349. North Stob Ban (Inverness-sh.), Mylacrid~e, 291. 499-501. Mynnydd Epynt (Brecknocksh.), Norway, Downtonian of, 549-50. Downtoniau & Dittonian at, Norwick group, Unst, 653, 654, 538-9. 661. Nothosaurus, 97. Nabs Crag & Nabs Moor (West- NotoceratoIaa, 90. morland), 427. Notosuchu~, 89. Nagaro (Nigeria), 208, 213, 220, Nowtly Gill fault (Westmorland), 224, 228. 427. Nan Bield Andesites, Long Nuculites (Cucullella) vaissierel Sleddale-Shap area, 421 et sqq. var., 581. Nan Bield Pass (Westmorland), Nyi~an (Bohemia), Permo-Carb. 427, 433, 435, 436. Stegocephalia of, 77. Naomichelys, 87. Naosaurus, 95. Obolus, 50. Nasalwa (Nigeria), 203, 204, 207, Officers (& Council) elected, xxiii- 211. xxiv. " Natica leviathan," xcviii. Oglethorpe Hills (Yorks.), 150. Naustalo, 448 et aqq. Ogygia, 36, 50, 56. Nenthead (Cumberland), ore veins Oignies, Schistes d', 546, 553. at, 701. OT,D~AM, R. D., on the Age and Nentsbury mine (Cumberland), Origin of the Lower RhSne, mineralization in, 708. 445-61, figs. Neoceratodus, 87, 91. Olivine, in fayalite-quartz-por. Ness of Wadbister (Unst), 644-5. phyry of Kudaru Hills, 215. Newbald (Yorks.), glacial sand Olmarch farm (Pembrokesh.), 40. at, 148. Omosaurus, 86, 99. Newry Igneous Complex (Ire- Onich (Inverness-sh.), 464, 470, land), geology of E. end of, 472. 585-636, figs., pl. xxii. Onich-Cuil Bay area (W. High- New Zealand, reptilian migration lands), 509-14. routes betw. Europe &, 82 ; geol. " era Maritima " of AvI~.~vs, of S.-W., xcix-c. See also 446-8; descr, of sea-coast & Stewart I. lower RhSne in, 448-55, fig. Nickel minerals, in ore deposits of Oranus R., 448; identified w. Pennine type, 699. modern Al~ne R., 449. NicoleUa actonia~, 10. Ordovician, Austwick-Ribblesdale Nigeria, Geological Survey of, xci. area, 8-10, 25, 28; St. David's See also Kudaru Hills. area, 49-59. part 4] GENERAL INDEX 739

Ore deposits, Pennine type, 693; Pelastine quarry (Cornwall), 246, form of, 693-4; distribution of 251. minerals in, 694-706, figs., Pelitic rocks of Valla Field Block, textural relations of minerals Unst, 648-52, fig., chem. anals. ; in, 706-10, figs. ; mineralization of Saxa Vord Block, 660-2, fig. of, 708, 712-13; Great Sulphur Pelochelys, 92. Vein type, 710-12; genesis of, Pelorosaurus, 86. 713-15. Pembrokeshire, Downtonian & Ore-veins associated w. Skiddaw Dittonian in, 539-43; map of granite at Sinen Gill, 162; at N.-W., 33. See also St. David's. Grainsgill, 163-4, 183-95, figs. Pengreep (Cornwall), 263. Ores, GrainsgiU granite, micro- Penlan Mabws (Pembrokesh.), 53, scopy of, 191-5, figs. 58. Ormsary (Argyll), epidiorites ft., Penlan quarry (Pembrokesh.), 40, 391, 403. 42. Ornithomimus, 89. Pennine type of ore deposits, Orthis, 50, 51. 693-710, figs., pls. xxiv & cL caUigramma, 10. xxv ; age-relations w. Great Orthite, in granite of Kudaru Sulphur Vein type, 711-12; Hills, 220. age of, 712-13. Orthoceras, 23, 50. Pennines, glacial deposits of E. Orthoclase, in Carnmenellis slopes of, 149-51; dry valleys granite, 249-50, 251. of, 153-4; ore deposits of 1~., Orthoclase-porphyry, in glacial 689-717, figs., pls. xxiv & xxv. gravel of Holme-upon-Spalding Penrhyn (Cornwall), 263. Moor, 144-5, fig., 146. Penybank (Pembrokesh.), 54, 58. Orthomerus, 89. Penyfeidr (Pembrokesh.), 47. Orthosaurus, 77. Penygors (Pembrokesh.), 47. Oslo Fjord (Norway), Downtonian Perche (Pembrokesh.), 52. at, 550. Peridotite, Newry Ign. Compl., Oulton (Yorks.), 200-ft. gravels at, 588,604-6, chem. anal. ; forma- 150. tion of hybrid rocks by p. 0utliers, quartzite, of Glen Etive, magma, 618-19. 504-5. Permian, Upper, correl, of, 78-80. Permo-Triassic dessication, 121-2. lPalaeochameleo, 78, 79. l~ 81. Pala~osaniva, 92. Pernes, Gr~s de, 552 et 8qq. Palmozoic, Lr., of Austwick & Perthshire, epidiorites of, 356. Horton-in-Ribblesdale, 7-29. Perthshire succession, correlation Paragenesis, of minerals in Permine w. Ballachulish succession, 464. type veins, 708-10; of silli- Phacops, 10, 17, 19, 56. manite, Stewart I., 338-42, elegans limestone, Austwick- figs. Ribblesdale, 13 et sqq. Paran (Pembrokesh.), 35, 50. -- mudstone, 17 ; a~ Parasaniva, 92. Hunterstye, 18, 19 et sqq. Pareiasauria, climatic influence on mucronatus beds, Lake Dis- migrations of, 122, 123. trict, 25, 28. Park Attwood (Trimpley), 533. PH~MIS~R, T. C., 684-5. Paulocaris, 79. Phillipsinella, 12, 13. P.a_TIENT, C.& M. SeeHousePorter. ]PhyUopora beds, Cautley, 28. Pebidian, St. David's, 34, 35, 36, PhyUotheca 8p., 4. 38-40; petrogr, of P. tufts, Phytosauria, migration of, 82, 59-61. 120-1, 126. Pegasus Creek (Stewart I.), 334, " Piekering, Lake," iii. 335 ; map of, pl. xi. PICKUP, W., obit., lxiv-lxv. Pegmatite sill, Amboro, 231 ; Plot Crag (Westmorland), 427. p. dykes in Carnmenellis granite, Placerias, 83. 245; p. veins in Newry Ign. Placoparia, 56. Compl., 625. Plagioclase, in Carnmenellis Pegmatites, in gneisses of Unst, granite, 251; in tonalite of 646. Loch Awe, 304 et sqq.; in 740 GENERAL INDEX [vol. xc,

xenoliths in L.A. tonalite, 306 Pre-Cambrian, St. David's, 35 et sqq., figs. et sqq. Plagioclase magma, Newry Ign. Presipe Bay (Pembrokesh.), 540. Compl., 623, 625, 632 et sqq. ; PRESTWZCH Medal, list of re- composition & origin of, 625- cipients, xxxii. 7. Prince Edward I., 115. Plagiosaurus, 80, 123. Priskilly (Pembrokcsh.), 37, 51, Plagiosternum, 80, 123. 58. Plants, distribution of, & Titano- Proceratosaurus, 84. saurian migrations, 103-4; fossil, Prochlorites, Scottish low-grade as evidence of continental drift, (.hlorites identified w., 361-2, 106; recent & fossil, as evi- 369. dence of climatic zones, 112-13, Procolophon, 80, 123. 115, 125, 126; Karroo, ft. zone (•arroo), 80, 84. Tanganyika Territory, 1-6, figs. Proiguana, 91. P~nus, 92. Protoceratops, 89, 100. Platmosaurian migration, climatic Psammites de Li6vin, 551,553,554. influence on, 121, 123-4, 126. Psittacosaurus, 88. Platyatrophia biforata, 10. Pteraspis cornubica, 545-6. Plectorthis, 11. Pterodactylus, 86. Pleuro~oelua, 87. PUGH, W. J., 29. Pneumatolysis, in Stewart I. Purple Boulder-Clay, Yorl~., 153. rocks, 327-9, 335-7, 344-9. Pwll Stodyr fault (Pembrokesh.), Podocnemis, 92. 35 et aqq. Pohai, Guff of (Chili), European Pygocephalus, 79. areas in Dittonian time com- Pyrite, in ore deposits of Pennine pared w., 558. type, 699; in veins in Grains. Polacanthus, 88. gill granite, 187, 190 et eeqq. Poles, Mesozoic, 111, 113-14, Pyroxeno, in fayalite-quartz-por- 125, fig.; Permian, 121; pre- phyry of Kudaru Hills, 215; Carboniferous, 117. m pyroxene-fayalite-granite Polkannugo quarry (Cornwall), of Kudaxu Hills, 217; in tona- 246. lite of Loch Awe, 305. Polyetes, 285, 299. Pyroxene-fayalite-granite, Ku- problematica sp. nov., 285-7, daru Hills, 204; petrogr, of, fig., pl. ix. 216-18, chem. anal. Polygium (? modern Bouzigues), Pyrrhotite, in Grainsgill veins, 448, 449. 194. Ponsanooth quarry (Cornwall), 245, 263. Q-joints, in Carnmenellis granite, Pont-y-Cerbyd (Pembrokesh.), 47, 265 et sqq. 48. Quartz, in Carnmenellis granite, Pont-yr-Hafod group, Pem- 249, 250; in Skiddaw .granite brokesh., 39, 40. of Sinen Gill, 166; m ore Pope Agie beds, Brazil, 81, 82, deposits of Pennine type, 699; 84. in Loch Awe tonalites, 304 e$ Porphyry. See Fayalite.quartz- ~qq. porphyry. Quartz rock, Nagaro, 224-6. Porphyry intrusions, St David's, Quartz veins, in Grainsgill granite, 39, 40, 41-2; petrography of, 186 et sqq., figs. 61-3. Quartz-albite rocks of Johnston, Port Sonachan (Argyll), epidiorite 43. ft., 377-8. Quartz-porphyry intrusions, Perth Gain (Pembrokesh.), 48. Kudaru Hills, 204-5, 209, Perth Gain beds, 53. 210-11, 214, 219; petrogr, of, Porthlisky (Pembrokesh.), 40. 223-4; chem. anals., 225, 230; Porth-y-Rhaw (Pembrokesh.), 48. of Hayscastle, 43, 61-2; of Portsoy (Banffsh.), epidiorites ft., LIanhowel, 41, 43; of Long 399, 406. Sleddale-Shap area, 432. Pre-Bala folding, Long Sleddale- Quartz-tourmaline nodes, in Shap area, 434-5, fig. " fine granite " of Carnmenellis, part 4] (~ERAL I~DnX 741

244; qu.-t, veins in Carnmen- ~huda Riabhach (Loch Awe), ellis gr., 247, 248. 362. Quartzite, St. David's area, 44; Rhyd-yr-harding (Pembrokesh.), in Stewart I. schist, 329-30. 53. Quartzite & Shale series, Mr. Rhynchocephalia, climatic in- Everest, ii. fluence on migrations of, 126. Quebec, Mines Department of, Rhynchosauria, migrations of, 82, lxxxix. 97-8, 100, 112, 120 et sqq. Queyhouse Flags, Unst, 653, Rhynchosaurus, 81. 655-6. Rhyolite, St. David's, 58. See also Haweswater Rhyolites, Ra, identification w. modern Stockdale Rhyolites, &c. Saintes Maries, 453-4. Rhyolite intrusions, Brown Howe, Rafinesquina, 15, 17, 28. 433 ; Kudaru Hills, 204-5, 209, Ralfland Forest Andesites, Long 219, 223-4. Sleddale-Shap area, 422, 423. Rhyolitic ashes, Hayscastle area, Ralfland Forest faults, 422. 40. RAMSAY, A. C., portrait of, Rhyolitic tufts, St. David's, 38-40. presented, xii. Ribble valley, geol. sectns, along, Ramsey I., 35, 36, 48, 58. 27. Ramsey Sound series, correl, w. Ribblesdale-Austwick area, Lr. Treffynnon group, 40. Palaeozoic of, 7-29. R~AD, H. H., on the Metamor- Rickeston (Pembrokesh.), 48, 64. phic Geology of Unst in the Ridgeway Conglomerates, 542, Shetland Islands, 637-84, figs., 543, 546-7. pl. xxiii, 687-8. Riebeckite, in granites of Kudaru Red Bay series, Spitsbergen, 545, Hills, 220 et sqq., chem. anals. 550-1. Riebeckite.granite, Kudaru Hills, tCectineura gen. nov., 281, 299. 205-8, 219-21, 230-2, fig., lineata sp. nov., 281-2, chem. anals. fig., pl. ix. Riggs Barn (Austwick Valley), 12. Recumbent folds, Ballachulish Rimatara & Rurutu Is., 102-3. distr., 465. Ringerike (Norway), Downtonian Red Beds, S. Africa, correl, of, at, 531-2, 549-50. 83-4. Rio Rastro beds, Brazil, 81, 82, " Red Granite," in glacial de- 84. posits at Newbald, 148. Road Hill (Kudaru Hills), 204, Red Sea, foundering of, 129. 214. REED, F. R. C., on Downtonian ROBERTSON, L. S., on Some Fossil Fossils from the Anglo-Welsh Plants collected in Tanganyika area, 571-84, pls. xx & xxi. Territory, 1-6, figs. Remopleurides, 25. Roch rhyolitic series, Trefgarn, 39. Reptilia, climatic influence on Roskrow Wood (Cornwall), 242, distribution of, 118-30 ; evolu- 271. tion of U. Cret. r. fauna of Rothwell Haigh (Yorks.), 200-ft. Europe, 88 ; migration routes gravels at, 150-1. of, 84, 86, 93, 94-105, figs.; Rough Hill (Co. Down), 587, tectonic movements & dispersal 589-90, 591, 597; igneous-sedi- of, 105-18, figs. mentary contact on, 599-600, REYNOLDS, D. L., on the Eastern 612. End of the Newry Igneous Roughten Gill (Cumberland), 162. Complex, 585-623, figs., pl. Roy-Spean distr. (Inverness-sh.), xxii, 635-6. Fort William Lag in, 473-7, Rhabdodon, 88. fig., pl. xvi. Rhamphorhynchus, 86. Ruaha-Rufiji area (Tanganyika ~hinesuchus, 79. Terr.), 4. Rhvztosaurus, 87, 100. Rudstangen quarry (Ringerike), RhSne R. (France), age & origin 531-2. of lower, 445-61, figs. Rufiji-Ruaha area (Tanganyika t~hopalodon, 78. Terr.), 4. Rhoslanog (Pembrokesh.), 55, 58. Rumaya (Nigeria), 208, 212, 226. 742 GENERAL INDEX [vol. xc,

RUSSELL, A. S., 719. Seacombe Sands (Devon), chlorite ft. amphibolite of, 363, 365. S-joints, in Carnmenellis granite, Seat Robert (Westmorland), 267 et sqq. 435. Saddle Crags (Westmorland), 429. Secyus or Setyus (modern Cette), Sadgill (Westmorland), 430, 431, 448 et sqq. 435. Sedbergh & Austwick-Ribbles- Sagenite, in greisen of Grainsgill, dale, Browgill beds of, 28. 170. Sedimentary rocks (Silurian), sur- Saharids, 118. rounding Newry Ign. Compl., Sahul Shelf, xcvi. 592; strike lines of, 593, 594, St. David's (Pembrokesh.), Pro- map ; fusion of, 595-9 ; contact Cambrian & Lr. Palaeozoic of, w. igneous rocks, 599-600; 32-72, figs., pl. ii. petrogr, of fused sediments, St. David's anticline, 37, 39. 602-4, fig., chem. anal. St. David's granophyre, 43. Sedling mine (Co. Durham), St. Hubert, Schistes de, 546. banded veins in, 706, 707, St. Paul's I., 115. 709, fig. Saintes-Maries (Bouches-du- Seeconnell (Co. Down), 585, 589, Rh6ne), 446, 454. 592, 599 ; biotitepyroxenite fr., Salopian, Austwick-Ribblesdale 607, fig., 608-9, chem. anal.; area, 20-4. augite-monzonite fr., 614-17, Sancton (Vale of York), 148. figs., chem. anal., 624. Sand, glacial, at Haughton Moor, Seeconnell type of hybrids, Newry 148. Ign. Compl., 590; petrogr, of, Sandfield House (Market Weigh- 613-19, figs., chem. anal. ; origin ton), glacial gravels at, 151-2. of, 628. Sandstones (Lr. Cambrian), St. Selside Pike (Westmorland), 427, David's area, 44. 435, 436. Sandy Hole (Pembrokesh.), Down- Serpentine. See Main Serpentino tonian& Dittonian at, 540, 541. & Clibberswick Serpentine. Sarcolestes, 86 et sqq. Sete. See Cette. Sauropoda, dispersal of, 124-5. Settlingstones (Northumb.), ore SAWYER, A. R., obit., lxv-lxvi. veins at, 698-9. Saxa Vord Block, Unst, 639, 652- SEWARD, A. C., obit. of D. H. 62, figs. ; boundary-dislocations Scott, lxvi-lxviii. of, 647-8, 652, 654-5, map, Seychelles Is., connexion w. Mada- 657-8. gascar, 102. Scelidosaurus, 84. Shale, Edendaxriff Mr., 603, chem. Scheelite, in veins in Grainsgill anal. granite, 187, 190; replacement Shap granite, 423, 429. of wolfram by, 192-3, fig.; Shap & Long Sleddale (Westmor- origin of, 193-4. land), Borrowdale Volcanic series Schist-granite contact in Stewart & associated rocks in the country I., 322-53. betw., 418-42, figs., pls. xiii & Sehistes do M6ricourt, 551 et sqq. XiV. Schistes de Mondrepuits, 553, 554. Shell fauna, Downtonian, of W. Schistes d'Oignies, 546. Midlands, 532-6. Schistes de St. Hubert, 546. Shelsley Walsh (Worcs.), Down- Schists, Saxa Vord Block, Unst, tonian fauna at, 533. 652-7, figs., 660-1. Sher'oorniella, 279, 299. Schizoneura gondwanensis, 4. hemingwayi sp. nov., 279- Scotland, Downtonian & Cale- 81, fig., pl. ix. donian of, 547-9. Shetland Is. Gee Unst. , Highlands oL See High- Shonkinitie monzonite, Seecon- lands. nell, 617, chem. anal. ScoT, D. H., obit., lxvi-lxviii. SHOTTO~, F. W., receives Lyell SCRrV~eOR, J. B., 442-3. Fund, lxxx. Scutosaurus beds, Dvina, 79 et sqq. Shropshire, mineralization in, fauna, climatic influence on compared w. that of N. Pen- migration of, 120-1, 126. nines, 704, 705. part 4] GENERAL INDEX 743

Sial-masses, cleavage of, 108-10, hypersthene-monzonite fr., 620, 128-30; relation to the Equa- chem. anal. torial Belt, 112, 113. Slievegarron type of hybrids, Siderite, in ore deposits of Pen- :Newry Ign. Compl., 590 ; nine type, 700. petrogr, of, 609-13, fig., chem. Sierra Leone, Geological Survey aIlal. of, xci. Slievehanny (Co. Down), 601. Silica, in deposits of Pennine type, Slievenaboley (Co. Down), 587. 699. Slievenisky (Co. Down), 587, 592, Sillimanite, in biotite-muscovite- 596, 598; fused sediment fr., schist, Stewart I., 327, 338; 602 fig., 603-4, chem. anal. parageneses of, 338-41, figs.; " Slip " & " slide," the terms, 467. m xenoliths in Loch Awe Small Water (Westmorland), 426, tonalite, 307, 308, 310. 427, 436. Sillimanite zone epidiorites, Scot- Smaws quarry (Tadcaster), 150. tish Highlands, 394-6. SMITH, B., 719. Sills, St. David's area, 48-9 ; Unst, SMITH, S., grant ft. Gloyne Fund 646-7, 653, 657, 677-8. tO, X. Sittstones (Ashgillian), Wharfe, S•XTH, W. C., 239, 32I, 634. 13-15. Smith vein, Grainsgill, 185, 186. Silurian sediments, ~ewry Ign. SMVTH, L. B., obit. of J. Joly, lv- Compl. See Sedimentary rocks. lvii. Silverdale (u 24. Solenodonsaurus, 77, 80. Sinen Gill (Cumberland), Skiddaw SoLomon, J. D., 156; Daniel- granite at, 160 et sqq., 171 et Pidgeon Fund awarded to, ix. 8qq. Solva (Pembrokesh.), 46. Siphonotreta, 57. Solva beds, St. David's, 36, 44, Sir John's vein (S. Tyne valley), 45 ; of Tancredston inlier, 45-6. vertical sequence of minerals in, Solva R. & valley (Pembrokesh.), 700-1, 711. 34, 40, 69. Skaw Granite Block, Unst, 641, Somaliland, separation fr. India 676-8. in Cretaceous time, 109. Skelgill beds, iunterstye, 18-19, Soomylacris, 291. sectn. truncata sp. nov., 291-3, fig., Skiddaw granite & its residual pl. x. products, 158--200, figs., chem. celtica sp. nov., 293-5, fig., anals., pls. iv & v. pl. x. Skiddaw Slates, junction w. Skid- South Africa, climatic changes & daw gr. at Sinen Gill, 162; in faunal migrations in, 121-4; Long Sleddale-Shap area, 421 correlation of Permian w. that et sqq. of Europe, 78-80; eorrel, of Skitsack (Unst), Westing Lime- Trias w. that of other regions, stone at, 644. 83-4 ; land-connexion w. Eur- Skrinkle Haven (Pembrokesh.), asia, 80-1 ; w. S. America, 95. Downtonian & Dittonian at, South Africa, Geological Survey 542, 546. of, XC. Skrinkle Sandstones, 541, 542. South pole, Carboniferous, 113- Slaindale (Yorks.), 12. 14, 116, 121. Slates, Middle Cambrian, of South-West (& Central) High- Tancredston inlier, 46 ; spotted, lands, epidiorites of, 354-416, in Carnmenellis granite complex, figs., pl. xii. 258, 259, chem. anal. Southern Rhodesia, Geological Sleddale Fell (Westmorland), 430, Survey of, xeii. 431,435. Sowerbyella, 10, 11. Slickensides, in Carnmenellis Sowerthwaite (Yorks.), 16 ; Sower- granite complex, 272-3. thw. Farm, 13, 15, seetn.; Slieve Croob (Co. Down), 585 et Sowerthw. Wood, 12, 13, 20, figs. sqq. SPATE, L. F., elected auditor, v. Slievegarron (Co. Down), 588 et Spean R. (Inverness-sh.), Eilde sqq. ; augite-biotite-diorite fr., Quartzite in, 472 ; traverse at, 609-13, fig., chem. anal. ; 474. 744 G~.~RAL ~DEX [VO1. XC,

Spean-Roy distr. (Inverness-sh.), Stomatosuchus, 88. Fort William Lag in, 473-7, Stonehaven (Kincardinesh.), fig., pl. xvi. Downtonian & Caledonian of, Special General Meeting, eft. 547-8. SPENCER, L. J., obit. of H. S. Stornoway, Loch (Argyll), epidio- Washington, xlix-1. rite fr., 403. Spessartite dykes & sills, Unst, Strachur (Loch Fyne), epidiorite 646-7. sill at, 401-2, fig., 403. Spessartitic almandite, in Stewart Strathdon (Aberdeensh.), epidio- I. rocks, 343-4, chem. anals. rites fr., 407. Sph~rocoryphe, 11. Strathlachlan (Argyll), epidiorite Sphalerite, in ore deposits of fr., 405. Pennine type, 695-9, 709; in STRAW, S. H., 569-70. veins in Grainsgill granite, 187, Strike-deflection in Loch Leven 190, 194, 195, anals. distr., 465. Sphene, in Scottish epidiorites, Strophomena, 10, 17. 374, 375, 376, 387; in Loeh Structural zones, Cretaceous-Ter- Awe tonalite, 305, 311, 314; tiary, reptilian migration &, in xenoliths in same tonalite, 110-16, fig. ; pre-Carboniferous, 306, fig., 313. 116-18. ~qphenodon, 87, 90, 91, 100. Studfold Sandstone, Austwick- Spherulites, in minor intrusions of Ribblesdale area, 20, 23-4, 28. Kudaru Hills, 209. Studrigg Scar (Yorks.), 21, 23. Spinel, paragenesis, Stewart I., Struthiosaurus, 89. 340-1, fig. ; in xenoliths in Loch Subsidence, recent, along Rhbno Awe tonalite, 306 et sqq., figs. valley, 457-60. ~pinosaurus, 88. Succinea putris, 151. Spitsbergen, Red Bay & Wood Sulaiman Mts., 113. Bay series in, 545, 550-1. Sulitelma (Norway), chlorites fr. Spittal of Glenshee (Perthsh.), metamorphosed igneous rocks epidiorites fr., 400-1,403. of, 362-3. " Spotting " of Carnmenellis Sulphide ores, in deposits of slates, 258. Pennine type, 695-9, 700-2, Stagonolepis, 83. pl. xxv. Stainmore glacier, 141. Sulphides, deposition in Grainsgill Stanaber Barn (Ribble valley), 24. veins, 187, 190 et sqq. l~taurocephalus, 12, 20. Sunda Is., 91, 92, 96. beds, Cautley, 25. Sunda Shelf, xcvi. Staurolite-kyanit e-garnet - biotite - Surveys. See Geological surveys. gneiss, Unst, 648-50, fig., 651, Sustovo beds, Russia, eorrel, w. chem. anal. Dwyka, 79. STEBBING, W. P. D. (& L. R. Cox), Swanlake Bay (Pembrokesh.), exhibit specimens of Leviathania Downtonian & Dittonian at, 8autieri, xcviii. 541,542. Stegocephalia, distribution of, 76- SWANSTON, W., obit., lxviii-lxix. 140, figs. Swear Gill (Westmorland), 428. Stegomus, 83. Swindale (Westmorland), 426 et Stegops, 77. 8qq. Stegosaurus, 84, 86, 87, 99. Swindale Head (Westmorland), Stenometopon, 81. 429, 435. Stephanocrinus, 17. Syenite xenolith, Rumaya, chem. Stewart I. (N.Z.), granite-schist anal. of, 230. contact in, 322-53, figs., pl. xi. ~ymoliophia, 88. Stile End beds, Long Sleddale- Shap area, 421, 422, 437. Tadeaster (Yorks.), sectn, in Stilpnomelane, in Scottish low- gravel pit nr., 145 fig., 149-50; grade epidiorites, 376. dry valleys nr., 154. Stob Coire Easain (Inverness-sh.), Tailbert (Westmorland), 422. Eilde Quartzite at, 502, 503. TALMAGE, J. E., obit., lxix-lxx. Stockdale rhyolite, Long Sleddale- Tancredston (Pembrokesh.), 47, Shap area, 422, 431. 48, 64. part 4] GENERAL INDEX 745

Tancredston inlier, 45-6, fig. Tornieria, 86, 88, 89. Tanganyika Territory, Karroo " Tough way," in Carnmenellis plants ft., 1-6. granite, 265. Tangasaurus, 79. Tourmaline, in Carnmenellis Tangkoeban Prahoe (Java), xcv- granite, 244, 250, chem. anal. ; XCVI. paragenesis of, Stewart I., Tanius, 89. 33s-40, ng. Tapinocephalu8 fauna, climatic Trachodon, 89, 100, 101. influence on migration of, 120-1. Trachodontia, migrations of, 89, zone (Karroo), 78-9, 80, 95, 101, 126. 121. Treddiog-fach (Pembrokesh.), 55, Tarn Crag (Westmorland), 430 56. et sqq. Trees, fossil, growth-rings of, 119. Taurus (modern Etang de Thau), Treffynnon (Pembrokesh.), 39, 448 et sqq. 41-2. Tectonic belts, Mesozoic-Tertiary, Treffynnon Ford, 40. 110-18, figs.; t. blocks, Unst, Treffyrmon group, St. David's, 639-41, map; t. cycles, 126-7. 36, 39-40 ; hornbl.-porphyry Tectonics, Unst, m~tamorphism intrusions into, 41-2 ; petrogr. &, 678-83, map ; W. Highlands, of, 60-1, 62-3. 462-523. Trefgarn (Pembrokesh.), 48, 54. Telerpetum, 123. Trefgarn Owen, 47. Tengger (Java), xcvi. Tregidreg (Pembrokesh.), 53. Tenterhill quarry (Bramham), 150. Treglemais (Pembrokesh.), 35, 37, Testudo, 92. 38, 59. Tetradymite, in veins in Grainsgill Treglemais group, St. David's, granite, 187, 190, 194. 36, 38-9, 40 ; qu.-porphyry Tetragraptus Shales, of St. intrusion into, 41; petrogr. David's, 36 et sqq.; of Aber- of, 59-60. eiddy-Abercastle, 53; of Llan- Trehale (Pembrokesh.), 55 et sqq. gynog, 54. Treiva (Pembrokesh.), 40, 47, 63. Tetrapoda, distribution of Carb. " Tremadoe," Pembrokeshire, 35, & Mesozoic terrestrial, 76-140, 36, 49-54. figs. Tremaenhir (Pembrokesh.), 35, Tetraspis, 12. 36, 49, 50. Thecodontosaurus, 81, 83, 123. Tremaenhir syncline, 37, 44 et sqq. Theromorpha, climatic influence Trematosaurus, 80. on migrations of, 120, 122, 123. Tre-newydd Fawr (Pembrokesh.), T~OMAS, H. D., exhibits spiral 53. concretions, ci. Trenicol (Pembrokesh.), 47 et sqq. THOMAS, H. H., 74, 417, 634. Tresewig (Pembrokesh.), 44. Thornship Gill (Westmorland), Tresiencyn (Pembrokesh.), 55. 422, 423. Tretheague (Cornwall), 246, 271. Thorpe-le-Street (Yorks.), 151. Trias, correl, of, by reptilia, 83-4. Throstle Wood (Yorks.), 147. Trilobita, of Coniston Limestone " Thrust," the term, 467. series, Austwick - Ribblesdale, Thyrius (modern R. H6rault), 448. 10, 11; of D. bifidus beds, St. " Tibetia," 122. David's, 56. Tilestones, Anglo-Welsh area, 537- Trilophosaurus, 82, 83. 8. Trimpley (Worcs.), Downtonian TILLEY, C. E., 416, 684. fauna at, 532-3, 534-5. Tin Range (Stewart I.), 324. Trinucleus, 12, 13, 16, 17, 56, Tinosaurus, 92. 57. Titanosauria, migrations of, 89- Trionyx muticus, 92. 90, 102-4, 112-13, 120-1,125-6. Tritylodon, 80. Titanosaurus, 86 et sqq. Trondhjem {Norway), prochlorite Tonalites, contaminated, of Loch ft. greenschist of, 363. Awe, 302-21, figs. TroSdon, 89. Topaz, paragenesis, Stewart I., T~V~.MA~, A. E., 301. 340-1, fig. T~vsco~r, S. J., obit. of A. R. Torbant (Pembrokesh.), 55. Sawyer, lxv-lxvi. 746 GENERAL INDEX [voh xc,

Truss Gap (Westmorland), 428, tourmaline v. in Carnmenellis 429. granite, 247, 248. See also Tuff bands in Wrengill Andesites, Ore deposits, Ore-veins, &" 430. Greiscn veins. Tufts, St. David's area, 38-40, Velociraptor, 89. 59-61, 66-7. See also Bedded, Vidourle 1~. (France), 451. Coarse, Froswick, & Mottled Vieux RhSne, 446. Tufts. Vigorniella regis gen. et sp. TURNER, J. S., 570; on Austwick- nov., 578-80, pl. xxi. Ribblesdale, 30-1. Vimy, Gr~s de, 5~6, 555. Ty-cant (Pembrokesh.), 48. Volcanoes, Javanese, xcv-xcvii. Ty-Llwyd, 44 ; porphyry in- trusion at, 40, 41, 62. WAOER, L. R., on the Mount Tyrannosaurus, 89. Everest Expedition, 1933, i-iii. Wales, Downtonian & Dittonian Uganda, Geological Survey of, of S. Central, 536-9, 544; of xcii. S., 539-44. Ullmannite, in ore deposits of Walterston (Pembrokesh.), 51. Pennine type, 699. Wankie coalfield (S. Rhod.), 122. United States, geological surveys WASHINOTON, H. S., obit. of, of, lxxxv, lxxxviii, lxxxix, xlix-l. xciii. Watergate Bay (Cornwall), Dart- Urmt (Shetland Is.), metamorphic mouth Slates of, 544 et sqq. geology of, 637-84, figs., pl. WATTS, W. W., obit. of E. Hill, xxiii. liii-liv. " Upfold," the term, 467. Waun.y-barry {Pembrokesh.), 53. Upper Andesites, Long Sleddale~ Welsh Hook beds, Hayscastle, 45. Shap area, 422, 424, 431-2, 435. West Highlands of Scotland, Upper Chalky Drift, E. Anglia, tectonics of, 462-523, figs., correl, w. Upper Purple pls. xv-xviii. Boulder-clay, Holderness, 153. Western Cleddau valley (Pcm- Upper Everest Limestone, ii. brokesh.), 34, 47, 51, 56, 57, 68 ; Upper Purple Boulder-clay, sectn, along, 37. Holderness, 153. Westing Group, Unst, 642. Ural Copper Sandstone, 78-9, 80. Westing Limestone, Unst, 642, Urals, U. Permian of, correl, w. 644. that of other areas, 78-80. Westmorland. See Long Sleddale & Shap. Vale of York, during Glacial Wet Sleddale (Westmorland), 429 Period, 141-2; glacial dep. of, et sqq. 147-51, 152-3; glaciation of, Wharfe {Yorks.), ll, 16; Ash- 153-4. gillian sequence at, 13-15; Valentian, Austwick-Ribblesdale Browgill beds at, 20. area, 18-20, fig. Wharfe Conglomerate, 11, 13-18, Valla Field (Unst), 642 et sqq. figs., 25, 28. Valla Field Block, Unst, 639, Wharfe Gill & Wharfe Gill Sike 641-52, figs. (Yorks.), ll, 12. Valla Field Group, Unst, 642; Whin Sill, N. Pennine ore veins injection-rocks of, 645-6. &, 702, 704, 712, 714-15. Variables, belt of, Scottish Down- WHITE, E. I., 569; grant fr. tonian-Caledonian, 547, 549, Gloyne Fund to, x. 557 ; Norwegian Downtonian, White Crag (Westmorland), 423. 549, 550, 557. White Gill (Cumberland), chem. Variscan para-equatorial geo- anal. of granite fr., 172. synclinals, 117. White Sike Barn (Ribblesdale), Veins, banded, in N. Pennine 25. mineral field, 706-8, fig. ; granu- Whiteacre Crag (Westmorland), lar veins in same field, 708; 426. mineralized v. in granites of Whitesand Bay (Pembrokesh.), Kudaru Hills, 222-3; in Newry 35, 37, 48, 69. Ign. Compl., 625 ; quartz- Whitland (Carmarthen), 54. part 4] GENERAL INDEX 747

Whyntie Head (Banffsh.), epi- Wood Bay series, Spitsbergen, 545. diorites ft., 406. WOODWARD, A. S., obit. of Baron Wichita beds, Tetrapod fauna of, F. Nopcsa, xlviii-xlix; on a 78. New Cyathaspidian Fish from WILCOCKSON, W. H. See :K.Iy,o, the Upper Downtonian of W. B. R. Corvedale, 566-7, pl. xix. WILLIAMS, GORDON J., on a Wren Gill (Westmorland), 419, Granite-Schist Contact in 430, 436. Stewart Island, New Zealand, Wrengill Andesites, Long Sled- 322-53, figs., pl. xi. dale-Shap area, 422 et sqq. WILLIAMS, GRXFFITE JOHN, obit., lxx-lxxi. Xenoliths, in Carnm,enellis granite, WILLIAMS, H., 276. 255, 259-62, fig., chem. anals. ; WILLIES, T. G., on the Pre- in Loch Awe tonalite, 302-3, Cambrian and Lower Palm- 304, 305-10, 312-13, 316-21; ozoic Rocks of the Eastern End in Newry granodiorite, 624-5; of the St. David's Pre-Cam- in Skaw augen-granite, 677; brian area, Pembrokeshire, of mica-schist, in granitic 32-72, figs., pl. ii, 74-5. magma-flow of Stewart I., 330. WlI~m, B., obit. of J. E. Tal- mage, lxix-lxx. Y Graig (Pembrokesh.), 58, 67-8. W~soN, G., 719. Yarlside Crag (Westmorland), 430, Windows of Etive, 503-5. 435. Wingate Hill (Tadcaster), 145 Yellow Sea, European areas in fig., 149-50. Dittonian time compared w., WIs~.M~, J. I). H., on the 558-9. Central and South-West High- Yoredale cherts, in glacial gravel land Epidiorites: a Study of of Holme-upon-Spalding Moor, Progressive Metamorphism, 143-4, fig. 354-416, figs., pl. xii, 417. " Young," the term, 467-8. Withamite, in glacial sand at Younger Intrusive rocks of the Haughton Moor, 148. Kudaru Hills, 201-38, figs., pls. Witherite, in ore deposits of Vl--Vlll. Pennine type, 709. Ysgeifiog (Pembrokesh.), 38. Wolds (Yorks.), glacial deposits of, 147-9. Zechstein (Lower), correI, w. Wolfram, in veins in Grainsgill Tapinocephalus zone, 79. granite, 188, 190, fig.; recta- Zircon, in Carnmenellis xenoliths, somatic replacement of, by 260 ; in fayalite-quartz-por- scheelite, 191-3, fig. phyry of Kudaru Hills, 215-16. WOLLASTOI~ MEDAL awarded to Zoisite, in Scottish low-grade Sir Henry Miers, lxxii-lxxiii; epidiorites, 359. W. FUND awarded to W. R. Zonal distribution of minerals in Jones, lxxviii-lxxix ; list of N. Pennine ore deposits, 694-5, Medallists & recipients of Fund, 696-9, 703-6, figs. xxvii. Zoning, use of epidiorites in, WOLLASTO~ n]emorial plaque, un- 407-9, map. veiling of, ~tLcviii. Zygosaurus, 78.