Back Matter (PDF)

GENERAL INDEX TO VOLUME XCV

Acanthorhynchia cf. lorioli, first Axes of unidentified plants fr. identificatn in England, 139. Lr Devonian of Brecon, 227. Accounts & estimates, xvii-xxxi. ADAMS, F. D., Wollaston Medal Bach y graig (Llandrindod), 400, awarded to, lxxxvii-lxxxix. 404 fig. 405; sect. in stream Africa (C.), peneplains in, cxi, NE. of, 406-8. exii. Bagshot Beds, of Kingsclero area, Akeman Street Station (Bucks), 246-7, 250. ammonite successn in brick-pit BAILEY, E. B., cxx, 133, 379; at, 135-222 figs. pls. viii-xi. receives Lyell Fund for W. Q. Alligaticeras aUigatus, 180. KENNEDY, xcviii; on glacial pseudograciosus sp. nov., 161 drifts, 330-1. pl. ix. Bakkabrunir (Iceland), sect. at, . . sp., 180. 264-6 fig. pls. xvi-xvii; toss. Alnus, 269 pl. xviii. plants fr. interglacial beds at, Ammonite successn in brick-pit 268-70 fig. pl. xviii. at Akeman Street Station, ' Ball beds,' Filey, 316. 135-222 figs. pls. viii-xi. Ballstones (or ' crog-balls ') in Ampyx bisectus sp. nov., 421-3 Wenlock Limest. of Dudley, pl. xxiY. 47-54 figs. ; arching & sagging Anataso, in Porto. rocks of Vale of strata round, 59. of Eden, 280, 283 table. Barmouth (Merionethsh.), 1, 7, Annual Report of Council, ix- 28; see also Cell Fechan Farm. xvi. Barrington (Northumberland), Anticlinal regions in Colwyn Bay glacial drifts at, 319-21 fig. distr., 337. pls. xx, xxi. Apartments, resolutns on meet- Barytes, in Perm. rocks of Vale ing cost of redecoration, exxiv. of Eden, 280, 283 table. Apatites, large, in Scottish mon- Basalts, overlying interglacial beds chiquitie rocks, cxviii-cxx. in N. Iceland, 261, 263 et sqq. Arch~eocyathina, fr. Lr Cambr. Basement Beds (Wenlock Limest.) of Flinders Ranges, cxx. of Dudley, 39, 44 fig. 45-6; ARK~LT., W. J., 259--60; on the ballstones in, 48-51 figs. 53; ammonite suceessn at the Wood- at Daw End, Walsall, 54-5 fig. ; ham Brick Company's pit, conditns of depositn of, 57-9. Akeman Street Station, Buck- ' Bavin' at Dudley Castle Hill, 47. inghamshire, & its bearing on 'Bearer' {Wenlock Limest.) of the classifieatn of the Oxford Wren's Nest (Dudley), 45. Clay, 135-220 figs. pls. viii-xi BE•SON, W. N., Lyell Medal 221-2. awarded to, xci-xciii. Arthrostigma gracile, 226. BergArfoss (Iceland), sect. at, A spidoceras ( Euaspidoceras ) 266-7 figs. pl. xv. babeanum var. subcostata, 162-3 .Betula, 269. pl. ix. BIGSBY Medal awarded to A. E. ( J .) clynelishense nom. TRUEMAN, xcv-xevii. nov., 180-1. ' Bioherms,' the term, 54. ( ) hirsutum, 181. ' Biostromos,' the term, 54. ( ) aft. ovals, 163. Biding quarry (Warkworth), 319. Auditors elected, vii. Birtley (Durham), Glacial ' lake ' Auger, hand-, surveying by, 238- site at, 323-4 pl. xx. 40 fig. BLoc, A. C., obit. of G. Australian continental mass, in- STEFANn~I, ci--cii. fluence on tectonic evolutn Bluestone Grit, W. Merionethsh., of region, iv, v. 4, 6 fig. 7, 8 fig. 23, 24, 27, 28. Q.J.G.S. No. 380. 447 2 H 448 GENERAL INDEX [vo1. xcv,

Bodlondeb (Denbighsh.), slumped Caledonian folding in Colwyn beds at, 354-6 figs. Bay distr., 372, 374. Botcherby clay-pit (Carlisle), CaUiphylloceras demido~, 141-2. glacial drifts at, 317-8 fig. Cambrian (Lr) manganese ore Borrowdale Volcanic Series, of W. Merionethsh., 1-35 figs. source of minerals in Perm. of pls. i-ii. Vale of Eden, 284, 285-6. Camnant Brook (Radnorsh.), 388 ; BOSWELL, P. G. H., 377. exposures in Ordov. rocks in, Boulonnais (France), Oxford Clay 391-4 map, sect. in, 204-5. CAMPBELL, R., obit. of A. W. Bourkelamberticeras henrici, 173. GrsB, ciii-civ. intermissum, 172. Canada, structures in Pre- lamberti, 170-2. Cambrian of, 109-33 ~ ~,m. Brachiopod fauna, Ordov., dis- v-vii [maps, sects.]. tributn of, in Builth-Llandrin- Canadian Malartic Mine (Quebec), dod inlier, 405, 436-40 fig. structures in Pre-Cambrian in, Bracklesham Beds, of Kingsclere 121-5 map, sects. area, 247-8, 250. Cap Rock (Wenlock Limest.) of Brecon Beacons quarry (S. Wales), Wren's Nest (Dudley), 45. Lr Devonian plants fr., 224-7 Capel Croes Engan (Denbighsh.), pl. xiii. slumped beds at, 366. Brightia glyptum, 144 pl. viii. Capel Horeb (S. Wales), Lr matheyi, 145-6 pl. viii. Devonian plants fr., 223-4 pl. svevum race villersensis, 144- xii. 5 pl. viii. Capel Moriah (Denbighsh.), 337, Brockram, Vale of Eden, 275, 340, 366 ; Salopian slumped 277 ; heavy minerals in, 282-3 beds at, 343-4 fig. tabIe; source of, 284. Cardioceras cordatum, zone of, in BROMEnEAD, C. E. N., 260. Dorset, 198. Brookite ?, fr. Perm. rocks of (Scarbur~ceras) scarburgen.se, Vale of Eden, 281,283 table. 156-7 pl. x. BROUWER, H. A., on the tectonics Careg-wiber (Radnorsh.), 388, 389, of the Lesser Sunda Is., iii-vi. 396. Bryn-y-Maen (Denbighsh.), 351 ; Carlisle (Cumberland), sect. in slumped beds in distr., 365-6; glacial drift at, 317-8 fig. B.-y-m. fault, 339, 353. Carmel (Denbighsh.), 343. Buckinghamshire ; see Akeman Cameddau Farm (Radnorsh.), 389. Street Station. CARR, J. W., obit., cii-ciii. Builth-Llandrindod (Radnorsh.) CARRUTHERS, R. G., on northern inlier, stratigr. & fauna_! suc- glacial drifts; some peculiari- cessn in, 383-445 figs. pls. ties & their signii%ance, 299- xxvii-xxxii [maps]. 330 figs. pls. xix-xxii 333. BURTON, T. H., obit., cii. Cassiterite, fr. Triassic basement BUSK, G. H., explanatory note breccia of Dufton Park Brow, on the block diagram of the 281, 283 table. Gt Rift Valley fr. Nakuru Castell (Denbighsh.), vert. sect. to Lake Magadi (pl. xiv), at, 357-8. 231-3; on sliding of submarine Castle Bank (Radnorsh.), 388. deposits, 378-9; exhib, block Cefn Du (Denbighsh.) area, Salo- diagram of Gt Rift Valley, cix. pian slumped beds in, 358-63 BUTLER, A. J., the stratigr, of fig. pl. xxvi [map], 371. the Wenlock Limestone of Cefn-y-garlleg (Denbighsh.) area, Dudley, 37-74 figs. pl. iii Salopian slumped beds in, 346- (maps) ; Daniel-Pidgeon Fund 51 maps, sect. 371. awarded to, cxxi. Cell Fechan Farm (Barmouth), Bwlch Llwyn (Radnorsh.), 388. manganese ore fr., ll fig. 12 fig. Bwlch y cefn (Radnorsh.), 389, 13 fig. 15 fig. 400; exposures in Ordov. rocks Cementation of Perm. rocks of nr, 396-7, 403-5. Vale of Eden, 29I-3. Bwlch y fedwen (Radnorsh.), CHk~MBERLIN, T. C., on glaciers, 389, 396. quoted, 302. part 4] GENERAL INDEX 449

Chankula ttill (NE. Rhod.), 79. Cox, L. R., elected auditor, vii. Chester Moor (Durham), Glacial Creniceras renggeri, 150-1 pl. ix. ' lake '-site at, 324 pl. xxi. Cretaceous valley-floor peneplain Chibougamau distr. (Quebec) ; see of L. Nyasa region, 75-107 figs. Opemiska Copper Mine. pl. iv [maps]. Chirua R. (Nyasaland), pebble- ' Crog-balls ' ; see Ballstones. mounds of, 90-1. Cross-folds, 115 pl. vi; in Ontario Chlorite in manganese ore of mines, 118-9; association w. W. Merionethsh., 18, 19, 21, gold deposits, 115, 120. 23 ; in Perm. rocks of Vale of Cryptolithus gibbosus; see Didy- Eden, 281, 283 table. mograptus speciosus. Choppington Station (Northum- Cwm Amliw (Radnorsh.), sects in berland), glacial drifts at, 319. Order. nr, 408-10 map. C~UBB, L. J., elected auditor, vii. Cwm brith Bank (Radnorsh.), 396. Cil Cyehwyn (Merionethsh.), 7. Cwm brith Hill (Radnorsh.), 388. Cil Glasin (Denbighsh.), 346, 348. Cwm Mawr (Merionethsh.), 7. CLARINGBUL:L, G. F., exhib, speci- Cwm Mynach (Merionethsh.), 7. mens of monchiquitic rocks w. large apatites, cxix. Clays, plastic, of Reading Beds Daelisbrekkur (Iceland), inter- in Kingsclere area, 242-3; glacial beds at, 263. mottled, of same, 244; pressed DANIEL PIDOEOI~ Fund, award of, glacial, equal flow around frag- cxxi; report on, xiv. ments in, 302, 303, 308-9 pl. DAVIES, A. MORLEY, 221. xix; in drift at Coatham Stob, Daw End (Walsall), crog-balls in 308-12 figs. pls. xxi-xxii; col- Wenlock Limest. at, 49, 54-5 lectn of samples of, 327-8; fig. see also London Clay. Dawn (Denbighsh.) fault, 339-40, Cleavage, in Salopian sediments 359. in Colwyn Bay distr., 340. DE LA BEOHE, H. T., photographs Closes Cliff (Filey), sect. in of his home in Jamaica exhib, w. glacial drift at, 314-5 fig. note on ancestry, cxxi. Coatham Stob (Durham), sect. Deep-seated structures, relatn to in glacial drifts at, 307-13 figs. orogenesis, 128-32 fig. pls. xix-xxii. DERRY, D. R., on some examples Colwyn Bay (Denbighsh.), geol. of detailed structure in early of, 335-82 figs. pls. xxiii-xxvi Pre.Cambrian rocks of Canada, [maps]. 109-33 figs. pls. v-vii [maps, Compton (Surrey), derived am- sects.]. monites in Bargate Beds of, Devonian (Lr) plants fr. S. Wales, 205-6. 223-9 pls. xii-xiii. Coniaurum Mine (Ont.), structures Dialogite in manganese ore of W. in Pre-Cambrian in, 116-8 Merionethsh., 16 et sqq. pl. vii. Dicellograptus divaricatus, 429, 430 Contraction cracks in manganese figs. ore, W. Merionethsh., 14-16 Didymograptus bifidus & Ogyginus fig. 19, 26. corndensis, zone of, in Builth- Cooksonia, 224. Llandrindod inlier, 388, 390, downtonensis sp. nov., 224 391-7 figs. faunal characteristics pl. xii. of, 397. hemisphaerica, 224. murchisoni, zone of, in pertoni, 224. Builth-Llandrindod inlier, 388, Corals in ballstones in Wenlock 389, 390, 400-5 maps; faunal Limest., 47, 48, 49, 53. characteristics of, 405-6. COmCER, F., obit., ciii. --speciosus & Cryptolithus gib- COULSON, A. L., Murchison Fund bosus, subzone of, in Builth- awarded to, xeviii. Llandrindod inlier, 390 et sqq. ; Council, Annual Report of, ix- distributn of fauna of, 398-9. xvi; election of, xxxii. Dinosaur Beds (Cret.) of L. Nyasa Court (Radnorsh.), 391, 393. region, 75, 82, 88, 90, 91; ? in Cox, A. IT., 133-4. Zambesi Valley, 102, 103. 450 GENERAL INDEX [re1. Xcv,

Diphwys (Merionethsh.), man- Eden, Vale of, petrogr, of Penn. ganese ore of, 7, 12, 19, 28. rocks of, 275-98 map. Dips, in slumped beds in Colwyn EDMONDS, J. M., on peneplains, Bay distr., 372--4 map. cxvi-cxvii. Dirt, bottom, in modern ice-sheet, EDMUNDS, F. I-~., 258-9. 301; banded dirts in same, EDWARDS, W. ~]'., 228. 302-3 pl. xix. ELLES, G. L., obit. of E. G. Distichoceras bicostatum, 167-8 pl. WOODS, cviii--cix ; on the Vnl. stratigr. & faunal successn in Dives (Normandy), Oxford Clay the Order. rocks of the Builth- at, 200-4 faunal table. Llandrindod inlier, Radnorsh., DE~:EY, F., on peneplains & re- 383-445 figs. pls. xxvii-xxxii lated land-forms, cx-cxii, cxvii; [maps]. on the early Cret. valley-floor England (N.), glacial drifts of, peneplain of the Lake Nyasa 299-330 figs. pls. xix-xxii ; region & its relatn to Tert. rift (SE.), Pleistoc. of, correl, w. structures, 75-107 figs. pl. iv that of Continent, cxxiii-cxxiv. [maps]. Eocene, betw. Kingsclere & DixoN, E. E. L., 74, 228. Ecchinswell, 235-60 figs. [maps]. Domira Bay (L. Nyasa), 76, 89, 90. Epidote in manganese ore of W. Dorset, ammonite zones of Oxford Merionethsh., 18-19; fr. Lr Clay in, 198-200. Brockram of Cliburn, 281, 283 DOUBLE, I. S., Wollaston Fund table, 284. awarded to, xevii-xcviii. Erosion cycle, peneplain formed Drag-folds, 114-5 pl. vi 118; in by, cx. Ontario mines, 116-7, 118, 120, Eryholme Scar (Yorks), sect. in 121, 127-8; comp. w. similar glacial drift at, 313-4. structures at shallow depths, Erymnoceras coronatum, zone of, 129-31 fig. in Dorset, 200. Drepanophycus apinasformi~ ; see Eskdale (Yorks), Glacial 'lake '- Arthrostigma gracilz. site, 324-5; rock-salt cores fr. Dudley Castle Hill, 39, 40 map, exhib., vi. 48; variation in lithology of Estimates & accounts, xvii-r~xi. Nodular Beds & Lower Limest. Euaspidoceras babeanum vat. sub- at, 49-52 fig. ; ballstones at, 51, costata, 162-3 pl. ix. 52 fig. ; exposures of Wenlock clynelishense nom. nov., 180- Limest. on, 61-6 map, sect. 1. Dudley (Wores), Wenlock Limest. -- hirsutum, 181. of, 37-74 figs. pl. iii (maps). aft. ovale, 163. Dunaskin Glen (Ayrshire), so- Europe (NW.), zones of the Ox- called fish-teeth in monchiquite ford Clay in, 213. fr., cxviii, cxix. Evolution, pal~eontology & the DUrHAm, K. C., 133, cxvii. mechanics of, xxxiii-lxx. Durham (S.), glacial drifts of, 307- 13 figs. pls.xix-xxii. Faults, in Pro-Cambrian areas, 131-2 ; of Kingsclere pericline, Earnscleugh Burn (Lauderdale), 254-6 fig.; in Colwyn Bay so-called fish-remains in mon- distr., 339-40 ; in Builth- chiqnite ft., cxviii, cxix. Llandrindod inlier, 388-9. E~P, J. R., 378. FEA~NSIDES, W. G., 333, 379, EASTWOOD, E. Dorothy, appointed 444; exhib, stalactite of melan- Librarian, ix. terite, vi. Ebaraciceras cadiforme, 175. Felin (Denbighsh.), sect. in . dissimile, 173-4. slumped beds at, 353 fig. 357 - grande nom. nov., 176-7. sect. 3uranum, 177. Fellows elected, i, ii-iii, vi, vii, -- ordinarium, 174-5. viii, ix, cix, cxviii, cxxii; sutherlandia~, 175-6. names read out, i, cxxiii; Ecehinswell (Hants), Eoc. suc- number of, ix-x. cessn betw. Kingsclere &, 235- Filey (Yorks), sects, in glacial 60 figs. [maps]. drifts at, 314-6 fig. part 4] GENERAL INDEX 451

Fish-teeth (so-called), in Scottish of, 431; distributn of grapto- monchiquitic rocks, cxviii-cxx. litic fauna in Order. of Rad- Fitjah (Iceland), 268. norsh., 436-40 fig; see also Flinders Ranges (S. Austr.) primi- Dicellograptus & Mesograptus. tive sponges fr. Lr Cambrian Gravels, late-Glacial, ' bottom of, cxx. melt ' hypothesis &, 325. Folding, in Kingsclere pericline, Great Rift Valley, Kenya Colony, 251-2 ; in Builth-Llandrindod block diagram & explanatory inlier, 387-8. note on, 231-3 pl. xiv. Foreign Members elected, iii; GREEN, J. F. N., on peneplains, number of, x. cxv-cxvi. Fossils, growth-rates & characters Grits of Manganese Shale group, of, xxxv-xlvi figs. ; starting- W. Merionethsh., 3, 4, 6 fig. ; point of n. spp. of, xlvi- petrography of, 7 ; Salopian, xlviii; structure of a lineage, in Colwyn Bay distr., 336 lvii-lxix figs. ; species concept, et sqq. lx-lxix. Groesffordd (Denbighsh.) fault, Frobury (Kingsclere) strike-fault, 340, 348. 254 map. Grossouvria (B inatisphinctes ) binata, 180. Gagaticeras, variatn in, xlv. --. (Grossouvria) miranda, 157- G~reg GrSg (Radnorsh.), 388. 8 pl. ix. Garn-Fawr (Radnorsh.), 388. -- (Poculisphinctes) auriculare, Garnets, in manganese ore of 179. W. Merionethsh., 16-17 pl. ii ( ) cardoti, 179.

18, 19-20, chem. anals. 22; -- ( ) petitclerci, 158-9 pl. in Perm. rocks of Vale of Eden, ix. 279, 283 table. ( ) poculum, 178-9. Gel, colloidal deposition of manga- ( ) cf, subpatina, 179. nese ore as, 24-6. ( ) trina, 179. Gelli Hill (Radnorsh.), 386, 388; GROVES, A. W., 33-4. Murchison's sect. on, 401-3 Gryphcea incurva, variatn in, fig. xliv-xlv fig. ; distributn of Geophysical observations, regional variatn in features in G. i. tectonic problems &, v-vi. assemblage, xlviii-xlix, lii-lvii GIBB, A. W., obit., ciii-civ. figs. ; diagram of lineage of, GrLLm~, A., 294-5. lxvii. Gilwern (Radnorsh.), 388, 389, --var. crassirugata, per- 395; sects, in Ordov. along sistent varietal types in, lxv G. anticline, 395-6. fig. lxvi. Glan Conway (Denbighsh.), obliquata, variatn in, xliii- slumped beds at, 363-4. xliv; diagram of lineage of, Glauconite in Eoe. successn of lxvii; persistent varietal types Kingsclere area, 248. of, lxv fig. lxvi. GLOYNE FUND, annual report on, Gryph~eoid spp., evolutn of, xlviii- XV. Ivii. Glyptograptus teretiusculus & Ogy- Gwern y fed fach (Radnorsh.) giocaris buchi, zone of, in Builth- quarry, sect. in Order. in, 416. Llandrindod inlier, 389, 390, 406-10; faunal characteristics Hackness Rock correl, w. Oxford of, 411 ; distributn of fauna of, Clay of Wood_ham pit, 196-7. 412. Hmmatite in garnets of Merio- Gold deposits, associatn w. cross- nethsh, manganese ore, 17, 20, folds, 115, 120. 22. GOODEY, CH~IST~ M., appointed Haled y Llyn (Merionethsh.), 7. Assistant in Library, i. Hafotty Shale; see Manganese Gorse (Radnorsh.), 408. Shale. Graianllyn (Denbighsh.), 351, 371. HALLIMOND, A. F., 34. Graptolites, distributn in Order. Halse Hall (Jamaica), photo- of Builth-Llandrindod inlier, graphs of exhib., cxxi. 398, 405, 412, 418, 420; range Hampshire; see Kingsclere. 452 GENERAL INDEX [vol. xcv,

Harlech Dome, manganiferous Hypersthene, in Perm. rocks of rocks in, 3-7 figs. Vale of Eden, 280-1,283 table. Harlech Grit series, 1; palmo. geography of, 28-9. Iceland ; see Vi~iidal. Hartford Bridge (Northumber- Ice-sheets, modern, constitutn of, land), glacial drifts at, 321-2 301-3; melting of, 303--6 fig. pl. xxii. Ilmenite, in Perm. rocks of Vale HAWKES, L., 108, 273; commun. of Eden, 281. J. H. Lindal's paper, 261. Inlier, Builth-Llandrindod, Order. HAwx~s, H. L., the geol. struc- of, 383-445 pls. xxvii-xxxii ture of the Kingsclere pericline ; [maps]. the Eoc. successn betw. Kings- Interglacial formatn in N. Iceland, clere & Ecchinswell, 235-57 261-73 figs. pls. xv-x~,iii. figs. [maps] 260. I~rERNATION~L GEOLOGICAL CON- HEARD, A., further notes on Lr GRESS, XV. Devonian plants ft. S. Wales, Iron, relation to manganese in 223-8 pls. xii-xiii 229. Merionethsh. manganese ore, Hecticoceras (Brightia) glyptum, 27. 144 pl. viii. ( ) matheyi, 145-6 pl. Jan Mayen I., absence of Pleist. viii. glaciatn on, 272-3. (Brightia) svevum race viUer- JEFFREYS, H., Murchison Medal sensis, 144-5 pl. viii. presented to, Ixxxix-xci. -- =(Putealiceras) cf. punctatum, Jointing, of Salopian sediments in 143 pl. viii. Colwyn Bay distr., 340. ~. ( ) putea/e, 164. JONES, O. T., 444-5; on pene- (~) rossiense, 165. lains, cxv; on the geol. of the (~) sarasini, 143 pl. viii. lwyn Bay distr. : a study of ---- (Sublunuloceras) bonareUii, submarine slumping during the 146-7 pl. viii. Salopian period, 335-77 figs. (~) couffoni, 166-7. pls. xxiii-xxvi [maps] 380-2. (~) dynastes, 166. JONES, W. R., 32-3. ( ) nodosulcatum, 166. Jumbe (Nyasaland), 76, 82; Lr ( )pseudopunctatum, 165- Luangwa Valley nr, 83-5 map. 6. Jurassic peneplain, remnants of, Hendro Shales, 436. in Lr Luangwa Valley, 79-80, Hendy Bank (Radnorsh.), 394. 83-4; in L. Nyasa coastal Hilton Plant Beds, Vale of plains, 89. Eden, heavy minerals in, 282- Jutland, heath flats of, cxxiv. 3 table; source of same, 285, 286, 295. Kangankunde Hill (Nyasaland), Holderness (Yorks), glacial drifts 92, 93. at, 315. Karroo, Lr Luangwa Valley, 80-1, HOLLAND, T. H., election as 83; relatn betw. Cret. &, in E. President-designate of XVIII & C. Afr., 87; K. in Nyasa Internat. Geol. Congr. an- trough, 90, 91. nounced, vi. Keewatin series, Canada, 110-1. Holland, Pleistoc. correl, w. that KE~ARD, A. S., 331 ; obit. of F. of SE. England, cxxiii-cxxiv. COR~'ER, ciii. ttOT.L~GWORT~, S. E., 295-6 ; KE~EDY, W. Q., Lyell Fund on peneplains, cxiii-cxiv. awarded to, xeviii-xcix. Hostimella, plant axes referred to, Kenya Colony; see Great Rift 227. Valley. ttowey Brook (Radnorsh.), 386, Kenya, Mt., 232. 390, 395; Murchison's sect. in, KtNG, W. B. R., 331. 400, 401-3 map. Kingsclere (Hants), Eoc. successn Hurst Hill {Dudley), 39, 40 map; betw. EeehinsweU &, 235-60 exposures of Wenlock Limest. figs. [maps]. on, 70-2 map. Kinkell Ness (Fife), so-called fish- Huntingdonshire; see St. Ives & teeth in igneous rocks fr., cxviii, Warboys. cxix-cxx. part 4] GENERAL INDEX 453

Kosmoceras ( Kosmoceras) annula. Llangerniew distr. (Denbighsh.), turn, 190-1. relatn to Colwyn Bay distr., ( ) corapressum, 191-2. 366-9 map. -- ( -) spinosum, 184-5, 187- Llangwstenin (Denbighsh.), 8 pl. xi. slumped beds nr, 364-5. -- ( -) tidmoorense, 188-90 Llanoley (Radnorsh.), 388. figs. pl. xi. Llanrian Volcanic Series, 435. ~. (Lobokosmoceras) duncani, Llansaintffraid (Denbighsh.), slum- 192-4 pl. xi. ped beds at, 363. (~) pronice, 194-5. Llebty (Merionethsh.), 7. --. (Zugo]cosmoceras) rowl- Llwydcoed (Denbighsh.), 343, 365. stonense, 185, 192. Llyn Dywarchen (Merionethsh.), apinosum ; see Spinosum 7. Clays. Llyn Eiddew Mawr (Merionethsh.), 7. Laekjamot (Iceland), 267. LSnstrup (Denmark), cxxiv. Lakes, supposed late-Glacial, in London Clay, of Kingsclere area, N. England, 323-5. 244-5, 250. Lamberti Limestone, Woodham Louis, tt., obit., civ-cvi. brick-pit, 137-8, 139 ; am- Luangwa Valley (NE. Rhod.), monites of, 163-87 fig. pls. viii, Cret. Dinosaur Beds of, 75 et X. sqq.; pebble deposits of, 79, Laminae in Merionethsh. man- 80, 81-2 ; Cret. valley-floor ganese ore, 10, 12 fig. 25-6. peneplain in, 87-8. Lancashire, glacial drifts in, 316-7. Luano Valley (NE. Rhod.), pebble Larder Lake distr. (Ont.), struc- deposits of, 77. tures in Pre-Cambrian in, 120. Ludlow (Lr) at Wren's Nest (Dud- LEEs, G. M., 257-8; exhib, cores ley), 42. of Porto. rock-salt fr. Eskdale Lukonde Hill (NE. Rhod.), Jurass. boring, vi. peneplain at, 79. Lesser Sunda Is., tectonics of, iii- Lupata series, Nyasaland, 76. vi. Lusinga Valley (NE. Rhod.), 79 LEwis, H. P., 32. et sqq. Library, list of donors to, lxxxi- Lyell Medal awarded to W. N. lxxxvii; Library Committee, BENSO~, xci--xciii; L. Fund annual report of, xvi. awarded to W. Q. KEnnEDY, Liesegang ring phenomenon in xcviii-xcix; to h. RAISTRICK, Merionethsh. manganese ore, xcix. 25-6; L. gels, depositn of argillaceous limests, analogous MACGREGOR, A. G., exhib. Scot- w., 58. tish monchiquitic rocks con- Limestones, Salopian, nodular & ta'.ming large apatites, cxviii- slabby, depositn of, 57-9; see, CX1X. a/so Wenlock Limestone. Maesgwynne (Radnorsh.), 389, Limonite, in Perm. rocks of Vale 409-10. of Eden, 281. Magadi {Lake) & Nakuru (Kenya), LINDAL, J. H., on the interglacial Gt Rift Valley betw., 231-3 pl. formatn in Vi~lidal, N. Iceland, xiv. 261-72 figs. pls. xv-xviii. Magnetite, in Perm. rocks of Vale Lineage, in pal~eontology, struc- of Eden, 281. ture of, lvii-lxix figs. Main Volcanic Series, Builth- Lingen (Herefordsh.), consolidatn Llandrindod inlier, 389, 390, of Lr Ludlow limests, at, 58. 394, 395, 397-400, 401, 403, Llandegiey Rocks (Radnorsh.), 433-4. 400. Malartic distr. (Quebec) ; see Llandrindod-Builth (Radnorsh.) Canadian Malartic Mine. inlier, stratigr. & faunal suc- Manganese, relatn to iron in cessn in, 383-445 figs. pls. Merionethsh. manganese ore, xxvii-xxxii [maps]. 27. Llanfawr (Radnorsh.) quarry, sect. Manganese dioxide in manganese in Order. at, 399, 417-9. ore of W. Merionethsh., 18. 454 GENERAL INDEX [eel. XCV,

Manganese Grit, W. Merionethsh., 341 ; list of exposures of con- 4. tact w. slumped beds, 374-6; Manganese ore of W. Merionethsh., tubiform structs, in, cix-cx. 1-35 figs. pls. i-ii chem. anals. MULLER, S. W., 108. Manganese Shale group, W. MURCHISON Medal presented to Merionethsh., 3-4, 28. ]=[. JEFFREYS, lxxxix--xci; M. Marine Clays, Woodham brick-pit, Fund awarded... to A. L. CouL- 137, 139; ammonites of, 141- SON, XCVII1. 63, pls. viii-xi. Murchison's sect. in Howey Brook, Matachewan Consolidated Mine 400--3 map. (Ont.), structures in Pro-Cam- Mynydd Cwm Mynach (Merioneth- brian in, 118-20 map. sh.), 10. MATLEY, C. A., exhib, photographs Mynydd Merci (Denbighsh.), 343, of Halse Hall (Jamaica), cxxi. 346. MAUFE, It. B., 108; on Zambesi Valley, quoted, 100-1. Nakuru & L. Magadi (Kenya), Gt Melanterite, largo crystal of fr. Rift Valley betw., 231-3 pl. xiv. Mill Close Mine, exhib., vi. Nant (Radnorsh.), 388 ; exposures Melts, top & bottom, of modern in Ordov. at, 394-5. ice-sheets, 303-5, 306; pressed, Ngosa Mirandu (NE. Rhod.), 79. 305-6 ; opened, 306. Nema~aptus graciIis & Ogygiocaris Merionethshire (W.), Lr Cambrian buchi, zone of, in Builth-Llan- manganese ore of, 1-35 figs. pls. drindod inlier, 389, 411-9 figs. ; i-ii. faunal characteristics of, 419-21. Mesograptus foliaceu~, 429, 430 Nodular Beds (Wenlock Limest.) fig. of Dudley, 39, 41; at Wren's Metamorphism of manganese Ore Nest, 43-5, 46; ballstones in, of W. Merionethsh., 22-3. 48--51 figs. 53; conditns of Micas, in Porto. rocks of Vale of depositn of, 60. Eden, 281, 283 table. Normandy, Oxford Clay of, 200-4. Mill Close Mine (Derbyshire), Northumberland, glacial drifts stalactite of melanterite fr., in, 319-22 fig. exhib., vi. Nyasa (Lake), region, Cret. valley. MrLL~.R, A. A., on erosion surfaces, floor peneplain of, 75-107 figs. cxii-cxiii. pl. iv [maps]. Millstone Grit, source of Penrith Sandst. of Vale of Eden, 285. OAKLEY, K. P., 74; exhib. Mineralization, structure &, in arch~eocyathines & primitive Canadian mines, 113, 120, 121- sponges fr. Lr Cambrian of 5 figs. Flinders Ranges, cxx. Miocene peneplain, remnants of in ODELL, N. E., on absence of Lr Luangwa valley, 79-80, 82. Pleist. glaciatn on Jan Mayen Mochdro (Denbighsh.), 337-71 ; I., 272-3. Salopian slumped beds at, 351- Ogyginus corndensi8 mut. inter- 8 figs. map. medius nov., 428-9 pl. xxxi. Moelfre (Merionethsh.), 7. Ogygiocaris buchi ; see Nema- Moel Ysgyfarnogod (Merionethsh.), graptus gracilis & Glyptograptus 7. teretiusculus. Moons Klint (Denmark), cxxiv. Ontario (Can.), structures in Pro- Monchiquites, Scottish, containing Cambrian of, 116-20 fig. pl. large apatites, cxviii-cxx. vii [maps]. MEND, R. L., obit., cvi. Opemiska Copper Mine (Quebec), Mons Hill; see Wren's Nest. structures in Pre-Cambrian in, Mountain building, Dutch East 125-8 map. Indies, iii, iv. Oppel ia (P aralcid ia ) glabella, Msandili R. (NE. Rhod.), 83, 84. 163-4. Mudstones assoc, w. manganese Ordovician of BuiIth-Llandrindod ore band in W. Merionethsh., 3, inlier, 383-445 figs. pls. xxvii- 4, 6 fig. ; petrography of, 8-9, xxxii [maps]. 23; Salopian, in Colwyn Bay Orogenesis, relatn of deep-seated distr., 336 et sqq. ; slumping of, structures to, 128-32 fig. part 4] GENERAL INDEX 455

Orthis federata, 395. Penddol Rocks, sect. along R. Ostrea, variation in, xxxviii- Wye at, 413-5 fig. xli fig. Peneplain, valley-floor, of the N-- irregularis, variation in, L. Nyasa region, 75-107 figs. xxxix-xli fig. ; unity of 0. i. pl. iv [maps]; ps. & related assemblage, xli-xlvi fig.; dis- land-forms, cx-cxvii. tributn of variatn in features Penrith Sandstone, Vale of Eden, of, xlviii-li figs. liv-lvii; per- heavy minerals in, 282-3 table; sistent varietal types of, lxv source of, 285, 295; coloration fig. lxvi ; diagram of lineage of, of, 288-9 ; cementation of, lxvii. 291-2. Oxford, Oxford Clay of, 207-8. Penypinc (Denbighsh.), 353 et sqq. ; Oxford Clay (Upper) sect. in vert. sect. at, 357-8. Woodham brick-pit, 137-9 ; Perisphinctes (Alligaticeras) alli- correl, w. that of Yorks, 196-7; gatus, 180. w. that of Dorset, 198-200; ( ) pseudograciosus sp. zonal sequence of, 210-4 ; nov., 161 pl. ix. zones in NW. Europe, 213 ~( )sp., 180. table. -- (Properisphinctes) bernensis, 159-60 pl. ix. ( ) latilinguatus, 160-1 pl. Pachyceras rugosum, 177-8. ix 195. Pal~eontology, mechanics of evolu- -- ( Prososphinctes) consociatus, tion &, xxxiii-lxx. 161-2 pl. ix. Pant (Denbighsh.) area, Salopian Permian, Valo of Eden, petrogr. slumped beds in, 342-6 figs. of, 275-98 map. pl. xxv [map], 371; P. fault, Potauke (Nyasaland), 76, 78 map, 339, 346, 347, 350. sect. ; peneplains of Lr Luangwa Paralcidia glabella, 163-4. Valley nr, 79-83. zOarawedekindia arduennense, 183. P~.TTI~r, N. E., resignation of, PART, G. M., 445. ix, x. Passage Beds (Wenlock Limest.) PH~LIeS, M. A., obit., evi-cvii. of Dudley, 39, 43, 44 fig. 46; Phylloeeras (CaUiphylloceras) de- conditns of depositn of, 61. m/doffi, 141-2. PArLeY, MAarE, obit., c. Plants (Lr Devonian) fr. S. Wales, Pavloviceras marive, 152-4 pls. ix, 223-9 pls. xii-xiii; in inter- x. glacial sediments of N. Iceland, -- omphaloidcs, 151-2 pl. x. 268-70 pl. xviii. aft. wiUiamsoni, 154-5 pl. x. Plexus of descent, in pal~eontology, woodhamense sp. nov., 155-6 lxi-lxix. pl. x. Poculisphinctes auriculare, 179. Pebbly beds (---- Cret. Dinosaur cardoti, 179. Beds) of Luangwa Valley, 75, --petitclerci, 158-9 pl. ix. 79, 80-1; of Luano Valley, -- poculum, 178-9. 76, 77; nr Petauke, 78 map; cL subpatina, 179. nr Jumbe, 83, 85 map; of -- trina, 179. L. Nyasa plains, 90, 91; of PeeLE, G., obit. of H. LOUIS, civ-cvi. Shire Valley, 92-3; in Zambesi Porch Farm (Kingsclere), 240, Valley, 103-4. 241 ; shatter-belt at, 250, 253 Peltoceras ( ParawedeIcindia ) ar- map. duennense, 183. Porcupine (Ont.) ; see Coniaurum - (Peltoceras) athleta, 181-2 ; Mine. zone of, in Dorset, 199-200; Porphyry intrusns in Canadian at Oxford, 207-8. mines, 113, 116, 117, 118, 120, ( ) subtense, 183-4. 121-3 map. -- (Rursiceras) cs pseudotoro- Porifera ; see Sponges. sum, 182-3. Pre-Cambrian, Canada, structures ( - ) reversum, 182. in, 109-33 figs. pls. v-vii [maps, Peltoceratoides subtense, 183-4. sects.]. Pencerrig (Radnorsh.), quarries PRESTON, lVIAB~.L A., resignation nr, 416, 417 fig. of, X. 456 GENERAL INDEX [vol. xcv,

Preston (Lanes.), exposures of Quenst~d~ras ( P avlovi~ras ) aft. glacial drift at, 317. wiUiarnsoni, 154--5 pl. x. Prestwich Medal presented to -- ( ) woodhamen~e sp. nov., S. H. WA_maEN, xciii--xcv. 155-6 pl. x. Properi~phinctes bernensis, 159- (Prorsiceras) gregarium, 170. 60 pl. ix. ( Quenstedtoceras ) leachi, 168- latilinguatus, 160-1 pl. ix. 9pl. x. Prorsiceras gregarium, 170. -- (~) cf. macrum, 169-70. Proscaphites episcapale, 149 pl. (~) spatiatum, 169. viii. ( Weissermeliceras ) longiloba- /angi, 149-50 pl. viii. turn, 177. --. richei, 147-8 pl. viii. PrososphincSes consac/atus, 161-2 Radnorshire ; see Builth. pl. ix. Raft, in pressed clay at Coatham of. Protaxi~ ( Nematophyton ), 226. Stob, 310-1 fig. ; at Filey, 314. Pseudopeltoceras famulum, 184. RAISTRICE, A., Lyell Fund PUOH, W. J., 377-8. awarded to, xcix. Pump House (Llandrindod), basic Reading Beds, Kingsclere peri- intrusn at, 399, 404. cline, 240-4 sect. 249, 250. Putealiveras punt,raVin, 165. Red Beds of Vale of Eden, cf. pu~um, 143 pl. viii. coloration of, 287-91. ~ putea/e, 164. Reef structures in Wenlock Limest. -- rossiensc, 165. of Dudley, 47-54 figs. -- sarasini, 143 pl. viii. Reighton Gap (Filey), sect. in Pyrites, in Perm. rocks of Vale glacial drift at, 315-6 fig. pls. of Eden, 281. xix, XX. Pyritized plant fragments fr. Reineckia (Collotia T) sp., 185-7 Lr Devonian of Brecon, 226-7 ~g. pl. xiii. Rhinog Fach (Merionethsh.), Pyroxene, monoclinic, in Penn. manganese ore of, 7, 12, 14 rocks of Vale of Eden, 281, 283 ~g. 19. table, 284. Rhodocrosite; see Dialogite. Rhodonite in manganese ore of Quarried Limestone (Wenlock) W. Merionethsh., 17-18, 19, 23. of Dudley, 39 et sqq. figs.; Rhwng-y-ddwyffordd (Den- ballstones in, 51-3 figs.; at bighsh.), slumped beds in Daw End, Walsall, 54, 55 fig. ; quarry at, 365-6. conditns of depositn of, 59-60, Rivers of Kenya, Gt Rift Valley &, 61-2. 232-3. Quebec (Can.), structures in Pre- ' Rock.&-Spindle ' vent, Kinkell Cambrian of, 121-8 maps. Mess, so-called fish-teeth in Quenstedtoceras ( Bourkelamberti. monchiquitic rock fr., cxviii, ceras) henrici, 173. cxix-cxx. (~) intermi~sum, 172. Rock-salt, cores of fr. Eskdale ( ) lamberti, 170-2; zone boring exhib., vi. of, in Dorset, 198-9; in Nor- Rursiceras cf. pseudotorosum, 182- mandy, 201; at Oxford, 207; 3. see also Lamberti Limestone. -- reversum, 182. (Eboraciceras ) cadif orme, 175. Rutile, in Perm. rocks of Vale ( ) dissimile, 173-4. of Eden, 279-80, 282 table. - ( .) grande nom. nov., 176-7. ( ,,, ) juranum, 177. St. Bees Sandstone, Vale of (~) ordinarium, 174-5. Eden, heavy minerals in, 282-3 ( ) suther/and/~, 175-6. table ; source of same, 286-7. (Pavlot~ceras) maria~, 152-4 St. Ives (Hunts), Oxford Clay pls. ix, x; zone of, in Dorset, correl, w. that of Woodham 198 ; at Oxford, 207 ; se~ a/so pit, 2O6. Mariae Clays. St. Pierre (Martinique), relics fr. ( -) onvphaloides, 151-2 pl. exhib., iii. X. Salix, 269 pl. xviii. part 4] GENERAL INDEX 457

Salopian sediments, submarine Spinosum Clays, Woodham brick- slumping of, in Colwyn Bay pit, 138-9. distr., 335-82 figs. pls. xxiii- Sponges, primitive, fr. Lr Cam- xxvi [maps]. brian of Flinders Ranges, cxx. Sands, of Reading Beds in Kings- Staffordshire ; see Dudley. clere area, 243-4; in waning Stapeley Ashes of Shropsh., comp. ice-sheet, 305 fig.; in glacial w. vole. episodes of Radnorsh., drift at Coatham Stob, 311- 434. 2 fig. ; glaciation of, 322-3. Staurolite, in Perm. rocks of Vale Sandstone, tubiform structures of Eden, 280, 283 table. in, cix-cx. STEr~INI, G., obit., ci-cii. Scarburgiceras scarburgense, 156-7 STEWART, M., 220"1. pl.x. STOCKLEY, G. M., on peneplains in Sea-floor, Salopian, in Colwyn Tanganyika, 107-8. Bay distr., slumping on, 369- Strike of normal & of slumped 74 figs. beds in Colwyn Bay distr., 337- S~ACKL~.TON, R. M., 34, 380. 8 fig. Shire Valley (Nyasaland), pene- Stromatoporoid Beds (Wenlock planatn in, 91-7 ; Shire-Nyasa Limest.) of Dudley, 45, 53-4; trough-system, peneplanatn in, constitutn of, 53. 86, 87. Stromatoporoids in ballstones in SHIRLEY, J., 380. Wenlock Limest., 47, 48, 49, 53. SI-IOTTOI~, F. W., 73, 297-8. Structures in Pre-Cambrian rocks SiVa (Iceland), 267. of Canada, 109-33 figs. pls. v- ' Sikes's Grid,' 232. vii [maps, sects.]. Silica, in manganese ore of W. Sublunuloceras bonarellii, 146-7 pl. Merionethsh., 16, 17, 19, 20. viii. Silicification of Perm. rocks of couffoni, 166-7. Vale of Eden, 291-3. dynastes, 166. Sills, Chibougamau distr., 125-7 .... nodosulcatum, 166. map. pseudopunctatum, 165-6. Silt, in waning ice-sheet, 305 fig. ; Submarine slumping, Salopian, in in glacial drifts at Coatham Colwyn Bay distr., 335-82 figs. Stob, 310, 311-2 fig. pls. xxiii-xxvi [maps]. Slumping, submarine, of Salopian Sunda Is. ; see Lesser Sunda Is. sediments in Colwyn Bay distr., Surrey ; see Compton. 335-82 figs. pls. xxiii-xxvi Surveying by hand-auger, 238-40 [maps]. fig. SMITH, W. C., receives Lyell Medal SWIN~-ERTON, It. H., 257, 330; for W. N. BENSON, xci, xcii; addresses to Medallists & re- obit. of M. A. PHILLIPS, cvi-- cipients of Funds, lxxxvii et sqq. ; cvii. on paleontology & the me- SNIDER, L. C., obit. of A. C. chanics of evolution, xxxiii-lxx VEATCH, cvii--cviii. figs.; obit. of T. H. BURTON, SOLOMON, J. D., on a correlatn cii; of J. W. CA~R, cii--ciii. betw. the Pleistoc. of SE. Eng- Synclinal belts, deep-seated, 114 land & of neighbouring parts of pl. v; comp. w. similar struc- the Continent, cxxiii-cxxiv. tures at shallower depths, 128-9. Special General Meeting, cxxiv. Syrenesis; see Contraction cracks. Species, conception of, lx-lxix. SPENCER, L. J., receives Mur- Taitia... breconensis sp. nov., 225 pl. chison Fund for A. L. CotrLso~, Xnl. xevnl. Tanyfron (Denbighsh.), 359, 365, Spessartite, in manganese ore of 366. W. Merionethsh., 16, 17, 18, 19, Taramelliceras (Proscaphites) epi- 21 anals. 22, 23. scopale, 149 pl. viii. Sphene ?, fr. Perm. rocks of Vale ( ) langi, 149-50 pl. viii. of Eden, 281, 283 table. ( , ,) richei, 147-8 p1. viii. Spherulites in manganese ore of TEALE, E. O., 107. W. Merionethsh., 12-14 figs. 19, Team valley, late-Glacial ' lake '- 24-5. site (= ' Team Wash '), 323. 458 GENERAL INDEX [vol. xcv,

Tectonic & volcanic evolution in Uganda, physiogr, of, i-ii. Dutch East Indies, iv-v. Temiskamian series, Canada, 110-1. Valagil (Iceland), interglacial beds Tertiary peneplain, remnants of at, 263. in Lr Luangwa Valley, 79-80; Valley-fioor peneplain (Cret.) of T. rift structures, Nyasaland, L. Nyasa region, 75-107 figs. pl. Cret. valley-floor peneplain &, iv [maps]; the term, 108. 76, 88-91. VEATOH, A. C., obit., cvii-eviii. 'Thick Measure' (Lr Quarried VE~SEY, H. C., on the petrography Limest.) of Dudley, 46. of the Perm. rocks in the S. part Tilestones, Howey Brook sect., of the Vale of Eden, 275-94 map 401-2, 403. 298. Timer (D.E.I.), tectonics of, iii-iv. Vi~idal (Iceland), interglacial form- TONES, L. ~-~., receives Lyell Fund atn in, 261-73 figs, pls. xv-xviii. for A. RAIST~ICK, xcix; exhib. Vi~idals~ (Iceland), sect. at, 263-4 tubiform structs, in sandst. & fig. pl. xv. mudst, ft. Wrekenton, cix-cx; Villers-sur-Mer (Normandy), Ox- on glacial drifts, 331-2. ford Clay at, 200-4 faunal table. Tourmaline, in Perm. rocks of Volcanic Series, Radnorsh.; see Vale of Eden, 278, 282 table. Main Volcanic Series. TRECHMANN, C. T., exhibits relics Volcanic & tectonic evolutn in ft. St. Pierre, Martinique, iii. Dutch East Indies, iv-v. Trecoed Springs (Radnorsh.), ex- posures in Order. nr, 410. Wales (S.), Lr Devonian plants ft., Triassic Breccia, Vale of Eden, 223-9 pls. xii-xiii. heavy minerals in, 282-3 Walsall (Staffs.); see Daw End. table. Warboys (Hunts), Oxford Clay of, Trilobites, distribution of, in correl, w. that of Woodham pit, Order. of Radnorsh., 398, 405, 204, 206-7. 412, 436-40 fig. ; range of, ibid., WXRREN, S. It., Prestwich Medal 432. awarded to, xciii-xcv. Trilobitic fauna, Order., of Rad- WATTS, W. W., 272. norsh., distribution of, 436-40 Wattsella horderleyensis, 395. fig. WAYLAND, E. J., on the face of Trinucleoides reticulatus sp. nov., Uganda, i-ft. 427 pl. xxix. WEIr, J., Daniel Pidgeon Fund --, salteri, 428 pl. xxx. awarded to, cxxi. Trinucleus chamberlaini sp. nov., Weissermeliceras longilobatum, 177. 395, 423-4 pl. xxix. Welfield (Radnorsh.), quarries nr, --fimbriatus, 424 pl. xxx. 416, 417 fig. -- rout. primus nov., 424 WELLS, A. K., 33. pl. xxx. Wenlock Edge, hailstones of, 47 et

-- mut. ultimus nov., 424- sqq. 5 pl. xxx. Wenlock Limestone of Dudley,

-- cf. foveolatus, 425 pl. xxxi. 37-74 figs. pl. iii (maps); of -- ( Cryptolithus ) gibbosus sp. Daw End, Walsall, 54-5 fig. nov., 395, 425-7 pl. xxxi; see Wenlock Shale at Dudley, 39, 41, also Didymograptus speciosus. 46; conditns of depositn of, 57. T~OTTE~, F. M., 273, 296-7, 380; WESWOLL, T. S., Daniel Pidgeon on glacial drifts, 330. Fund awarded to, cxxi. TRUE,AN, A. E., Bigsby Medal Weston stage, 435. presented to, xcv-xcvii. Whin Sill, source of hypersthene Tundive (NE. Rhod.) ,. pebble in Perm. of Vale of Eden, 285-6. ridge, 80, 81. WHITE, E. I., on so-cMled fish- 'Two-peneplain topography,' cxi. teeth fr. Scottish monchiquitic Tyddynbach (Denbighsh.), 359. rocks, cxix-cxx. Tyddyn uchaf (Denbighsh.), 337, WILLIAMS, D., 379-80. 340; slumped sediments at, WOLLASTON Medal presented to 359-63 fig. F. D. ADAMS, lxxxvii--lxxxix; TYRRELL Fund, annual report on, W. Fund presented to I. S. xiv. DOUBLE, xcvii--xcviii. part 4] GENERAL INDEX 459

Woodham Brick Company's pit, Wye R., Lapworth's sect. along, Akeman St. Station (Bucks), 387, 389. ammonite successn at, 135-222 fi s . pls . viii-xi WOODLAND, A. W., the petrogr. & Y Garn (Merionethsh.), 7. petrology of the Lr Cambrian Y Llethr (lYIerionethsh.), 7. manganese ore of W. Merioneth- ' Yard Measure ' (Wenlock Lime- sh., 1-32, 34-5 figs. pls. i-ii. st.) of Wren's l~est (Dudley), WOODS, E. G., obit., cviii-cix. 45. Yoredale Sandstone, source of WOODWARD, A. S., cxx; obit. of MARIE PAVLOV, C; of R. L. Penrith Sandst. of Vale of MOI~D, cvi. Eden, 285. WOOLD~IDGE, S. W., on pene- Yorkshire, Oxford Clay correl, w. plains, cxiv-cxv. that of Woodham pit, 196-7; Wrekenton (Durham), tubiform (N.), glacial drifts in, 313-6 fig. structures in sandst. & mudst. fr., cix-cx. Zambesi Valley, peneplanatn in, Wren's Nest Hill (Dudley), 39, 40 97-104 ; Z.-Luangwa trough- map, 41 ; sect. in Silur. at, 42- system, peneplanatn in, 85. 6 map, sect. ; ballstones at, 49, Zaphrentis ddanouei & Z.d. var. 51 fig. 52 fig.; exposures in constricta, growth-rates of, com- Wenloek Limest. on, 66-70 pl. pared, xxxv-xxxvi fig. iii (map). Zircon, in Perm. rocks of Vale of WRIEST, W. B., on glacial drifts, Eden, 277-8, 282 table. 332-3. Zugokosmoceras rowlstonense, 185.