GENERAL INDEX TO VOLUME LXXXVII[ Aggradation, in lr. Thames Ankaratrites, Ruwenzori, 387-94, Valley, 51-2. 396-7, 407-8. Akeley brickyard, sectn, in Corn- Annual Report of Council, xix- brash at, 127. xlix. Albitized dolomite breccia, Anthodon minusculus sp. nov., N'Changa distr., 468-71. 636-8, fig. Aldingbourne (Sussex), 87, 93-4, Antiarchi indef., 855, pl. lvii. pl. ix. Apatite in Devon Permian lavas, Algm. See Stromatolith. 735. Alice anticline (C. Austr.), 682-3, Aplite dykes of younger grey 689. ' granite ', N'Changa, 485-6. Alice Springs (C. Austr.), 676 et Aplites, Loch Doon area, 20. seq. Aplogranite, Wittabarrow, 222 Alongshore pebble-structures, chem. anal. Salopia, 892-4, pls. lix & lxii. Arehman of Egypt, iv, v. Alpine glaciology, historical re- Areas & features of geological view of, xciii-cxviii. importance, Committee on, xv- Amphibia (Karroo) fr. tile Ruhuhu XV1. coalfields, 635. Arenaeeous Phase. See Penta- Analyses (chemieM) of norite & merus Beds. related rocks, 9; of granites & Arenig rocks, Loch Doon area, 29- aplodiorites, 10; of Dartmoor 30, fig. ; of S.-W. Lleyn, 240-68, rocks & minerals, 232-3 & figs. See also Extensus & table; of hornblende-biotite- Hirundo. schist & diabase, 320; of ARKELL, W. J., 170. See also chlorite - oligoelase - microcline DOUGLAS, J. A. gneiss & granite, 323; of tur- Arundel (Sussex), ' 100-foot ' jite- or leucitite-roek, 381; of raised beach betw. Chichester &, leucitophyre & related rocks, 84-97. 382; of leucitite lapilli, 386; Arunta Complex, W. 3/[aeDonnell of potash-ankaratrites & related Ranges, 682 et seq., 695-6; the rocks, 390-1 ; of melilite- name, 687. nephelinite & related rocks, 401 ; ASHCROFT, F. N., elected Trea- of melanoeratic olivine-leuei- surer, xxvii. tire, 415 ; of Toro-Ankole Ashgillian limestone w. Ingle- volcanic rocks, 420; of mica- tonian at Horton-in-Ribbles- peridotites, etc., 421; of por- dale, 100-8. phyritic granite-gneiss, 458; of Ashprington volcanic series. See quartz-magnetite-schist, 474 ; Spilitic complex. of granite, 491, 790 ; of scapoli- Auditors elected, vi. tized rocks, 499; of Devon Avisford (Sussex), 87, 91-2, lavas, 734, 761-3; (spectro- sectn, at, 88. scopic) of iddingsite & micas, 737. BADEN-POWELL, D. F. W., 98. Andesite, ' spilitic,' of S.-E. Dart- Baker's Hole quarry (Southfleet), moor, 599, 600-1. sectn, at, 49-51, fig. Anglesey, Ordovician grit fr., 297- Banded shales, Bwana M'Kubwa 311. Series, 465-7. Anglesey Bit. (Ireland), 782 et seq. ; Bank Farm (Minsterley) Valentian non-porphyritic granophyre at, outlier, 878, 889. 839-40. Barium in Dartmoor granites, Q.J.G.S. No. 352 903 3 904 GENERAL INDEX [vol. lxxxviii, 211-2; b. & strontium in Birch Tor raft, 204-7, fig. chem. igneous rocks, 422-5. anal. Barley House lava, 713. Bittleford pegmatite, 220-2. Barnfield pit (Swanscombe), Blackthorn Hill (Oxon.), Corn- sectn, in Pleistocene at, 36-44, brash at, 125-6. figs. BSCKH, H. DE, obit., lxxvi- Barnwell (Northants.), sectn, in lxxix. Cornbrash at, 132. Bodmin Moor granite, relation of Basal boulder conglomerate, Dartmoor granite to, 222-3. N'Changa distr., 461-2. Bog Mine Valentian outliers, 878- Basalts, Slieve Gullion, 793-802. 80, 888-9, fig. See also Iddingsite & Quartz. Bokkeveld beds, fossil plants fr., Basement Schist Series, N'Changa 358-68. distr., 447-50. BONE, W. A., oil some Recent Basic Intrusive Group, N'Changa Investigations on the Maturing distr., 494-505; basic rocks, and Chemical Constitution of Tr@gastel, 279-85. Coal, cxxi-cxxii. Beaches, etc. of Cumberland Bone Beds (Karroo), Ruhuhu coal- glacier-lakes, 74-80. See also fields, 612, 615-7; vertebrata Raised beach. fr., 634-67; correlation w. BECKE, F. J., obit., lxiv-lxv. Karroo beds of S. Africa, 667- Bedford, Cornbrash at, 127-8. 8 ; bone localities in the Ruhuhu BENSON, P. DE G., obit., lxxxix. area, list of, 620. Bentley Ford Brook (Shropshire), BOSWELn, P. G. H., 54, 901-2; 865-6. elected Auditor, vi; elected ' Berw strip ' (Anglesey), Ordo- Secretary, xxvii. See also vician grit fr., 297-305. GREENLY, E. Bibliography, of Alpine glaciology, Bothriolepis spp., 853, pl. lvi. cxv-cxviii ; of Bokkeveld & Boundary Thrust, Lleyn penin., Witteberg plants fr. S. Africa, 238 et seq. 367; of British Carboniferous Bourne End (Bucks.), sectn, at, reticulate Spiriferidse, 569-72; 128. of Carb. plants fr. Sinai, 356; Boxgrove (Sussex), 95. of Cornbrash in North-Eastern Boyn Hill terrace, Swanscombe, area, 165-7; of Dartmoor sectns, in, 36 et seq. granites, 229-31 ; of geology of Brachiopod zones in Cornbrash of the MacDonnell Ranges, 709; North-Eastern area, 115-23, of geology of N'Changa distr., 142. 512-3; of geology of Ruhuhu Brachiopoda (Ashgillian) fr. Hor- coalfields, 621-2 ; of geology of ton-in-Ribblesdale, 104; (Corn- S.-E. Dartmoor, 604-7; of brash) fr. North-Eastern area, glaciation of Eskdale etc., 80-1 ; 149-57, pls. x & xi; (Valentian) of Loch Doon' granite' area, 32- fr. Longmynd-Shelve &Breidden 3 ; ofMynydd I~hiw & Sarn area, areas, 897-8 & faunal list. 270-1; of Palmolithic deposits BI~AMMALL,A., 34,296,440, 608-9, of lr. Thames Valley, 53-4; of 773; (& H. F. HARWOOD) on Permian lavas of Devon, 770-1 ; the Dartmoor Granites: their of Tertiary Ring Complex of genetic relationships, 171-234, Slieve Gullion, 845-6 ; of Tr6- figs. pl. xiii, 236-7. gastel-Ploumanac'h granite, Brankenwall channel (Cumber- 294-5; of Upper Devonian land), 67 et seq. fishes fr. N.S.}V., 856-7; of Breccias. See Cam Lough Valentian rocks of Sbropshire, breccias. 898-9; of volcanic rocks fr. Breidden Valentian outcrop, 880- Ruwenzori, 435-9. 2, pl. lx. Bifidus Zone, S.-W. Lleyn, 240 et Broadclyst lava, 714, 724. seq.; palmontology of, 261-2; Brokenstones Valentian outlier, petrology of, 262-3. 864-5. Biotite, Dartmoor granite, 183-5, Bromlow Valentian outlier, 875. 216-9; b. xenocrysts in Devon B~owN, H. Y. L., 674. Permian lavas, 734-5. Bryncroes fault, 254 et seq. part 4] GENERAL INDEX 905 Bryozoa (Ashgillian) fr. Horton-in- Charlton-on-Otmoor (Oxford), Ribblesdale, 104. Cornbrash at, 125. Buckfastleigh limestone. See Cherts, Bwana l~I'Kubwa Series, Limestone (Frasnian). 468. BUNNING, C. Z., obit., lxxxvii- Chewings Range (C. Austr.), 682-31 lxxxviii. Chichester (Sussex), ' 100-foot ' Burmirhynchia leedsii, 154-5 & pl. raised beach betw. Arundel &, x; B. fusca sp. nov., 155-6 & 84-97. pl. x. Chlamys vagans, 158. Burnhead plutonic mass, 18-9. Church Stretton main fault, 863, Burrator granite-shale contact, 864, 866, 882 et seq. 188 fig., 189, 191, 194-8. Churchmoor Dingle fault, 882. Bwana ~I'Kubwa Series, Ciminite, Pocombe, 750-1 ; N'Changa distr., 459-61 ; age & chem. anal. 762. correlation of, 475-6 ; lower, CL~_RKE, F. W., obit., lxv-lxvi. 461-71; middle, 472; upper, Clip y Gylfinhir lava, 249-51. 472-5. Clyst Valley (Devon). See Exe. Bytilith fault, 247. Coal, maturing & chemical con- stitution of, cxxi-cxxii; coal Callow Hill Valentian outliers, measures of the Ruhuhu area, 877-8, 889. 612 et seq. Cam Lough breccias, 783-4, 817- Coastline of Salopia, 859-61, 22, pl. lii; relation to por- 867-8, 873, 892-6. phyritic granophyre ring-dyke, COKE, 1~I. S., xii. 836-7; C. L. wrench-fault, Conglomerate (Upper Valentian), 789. Snead area, 873. Camlough Mt. gabbro plug, 797, Coniston Limestone, Crag Hill, 804-5. 102, 106, 107. Canoblas i~Its. (N.S.W.), 851 et seq. Contact alteration of Loch Doon CA~TRILL, T. C., obit., lxxix- plutonle rocks, 14-5. lxxx. Contact metamorphism in S.-E. Carboniferous plants fr. Sinai, Dartmoor, 576-607. 350-7 ; Carb. of S.-E. Dartmoor, Contamination of Loch Doon 580, 585-9; Carb. reticulate plutonic rocks, 14-6. Spirfferidm, 516-73. Cordierite, Dartmoor granite, 186- Carnarvonshire. See Lleyn. 9, figs. Carrickbroad (Armagh), 794 et seq. Cornbrash, stratigraphical distrib. Carrive (or outer) felsite, Slieve of in North-Eastern area, 112- Gullion, 811-7. 49, figs. ; C. brachiopoda, 149- Cashel (Armagh), map of distr. 57, pls. x & xi; C. lamelli. round, 808 ; sectn, through, 810. branchia, 157-65, pl. xii. Castor (Lincs.), Cornbrash fossils CStes-du-Nord. See Tr6gastel. ft., 133. Council (& Officers) elected, xxvii. Cawsand Bay lava, 716, 721, 730 Cox, L. R., on Lamellibranchia et seq.; petrology of, 759-60, from the Karroo Beds of the pls. xlvii & xlix. Ruhuhu Coalfields, Tanganyika Cefn (Shropshire), 886. Territory, 623-33, pls. xxxix & Central Australia, palmogeo- xl, 671. graphy of, 706-8. See also Crag Hill (Yorks.), 102, 106; ]~IacDonnell Ranges. sectn, to Horton station, 101. Central Metamorphic Complex, E. Crediton Valley (Devon), Permian Greenland, 313-~21, 346. lavas of, 714-5, 726-9, fig. See Cererithyris intermedia zone, also Knowle Hill. North-Eastern area, 115-6, 144. Crockerhill (Sussex), 94-5. Cererithyris sp., 151-2, pl. xi. Crossopterygii indef., 856, pl. Ceria & vanadia, Dartmoor lvi. granite, 192-3. Cryptozoon (?). See Stromatolith. CL Titanom~chus sp., 638-9, fig. Culm. See Slate & Sandstone. Chalk, solution-hollows in, 46. Culm Valley. See Exe. Chambuga crater (Uganda), vol- Cumberland, glaciation of, 57-82. canic rocks fr., 392-4. Currents, Valentian ~marine, evi- 3~2 906 GENERAL INDEX [vol. lxxxviii, dence of, 867-8, 873, 892-4, Geology of a Portion of 895-6. Northern Rhodesia, cxix. DOUGLAS, J. A. (& W. J. AI~KELL), Daaikilmore (Armagh), 795, 797 et on the Stratigraphical Distribu- 8eq. tion of the Cornbrash : II. The Danes Wood. See Avisford. North-Eastern Area, 112-69, Daniel-Pidgeon Award, xii, cxx. figs., pls. x-xii. Dartmoor (S.-E.), contact meta- Dunchideock lava, 713, 718, 721-3 morphism in, 576-607. figs., 733; petrology of, 740-3. Dartmoor granite, basic inclusions Dunsmoor lava, 714, 726. in, 181-2, fig., chem. anal.; DUTTON, D., obit., lxxxix-xc. contamination of, 216-22, fig.; DWERI~YttOUSE, A. R., obit., differentiation & assimilation lxxxi-lxxxii.