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GENERAL INDEX TO VOLUME LXXXIX Aber (Carnarvonsh.), iron-ore ool- Andalusite-granulite, Marcapata ites of, 404, 406, 407, 410, 413. Valley, 321-2. Abergwesyn-Ptunpsaint area, geol. Andalusite-hornfels & a.-phyllite, of, 172-201. Socapata Valley, 321, pl. xxvii. Accounts & Estimates, xl-liii. Andesite, E. Jersey, 278-81, Acrotreta cf. sabrinve, 365. 289, 290, pls. xxiv & xxv. Actinolite in Rhayader-Llansawel Angeltown (Glare.), 254 et sqq. grits, 214. Anne Port (Jersey), 282, 284, 285, Adelaide (S. Austr.), Pre-Cam- 287. brian ?organic bodies fr., vi. A~rNISS, L. G., on the Upper Afon Alun (Glare.), 225, 266. Devonian Rocks of the Chud- Afon Dyffryn (Merioneth), 146 leigh area, South Devon, 431- et sqq. 47, figs., pl. xli. Afon Gwril (Merioneth), 146 et Annual Contributions, amend- sqq. ; Basement group in valley ments to Bye-laws concerning, of, 155 fig., 157; Cefn I-Iir 111. Ashes in valley of, 161. Annual Report of Council, xiii-liii. Agglomerate (Bifidus beds), Anoptychia Koken, 106-7. Beacon Hill, 160-1. ?impendens, 107-8, pl. ix. Agnostus calvus, 366, pl. xxxiv. Ansell's Brewery (Birmingham), Akidograptus acuminatus zone, boring at, 64. Abergwesyn-Pumpsaint area, Antarctic mainland, geol. & glaci- 176, 178-9, 197. ation of, cxiii, cxiv-cxv. Aldridge (Staffs.), 67, 68, 78. Anticlines, Kramat Pulai, 462-4, ALLISON, A., on the Dalradian figs. Succession in Islay and Jura, Aplite intrusive mass, Kramat 125-42, figs., pls. xiii & xiv, 144. Pulai, 451 et sqq.; apl. veins Alluvium of Huayllumbe area, in rocks of same area, 458, 336-9, fig.; of Quitari area, 459, 466, 467, 474-5, fig. 341-2 ; of Kramat Pulai, 451. Appleton-le-Street (Yorks.), 488, Alt an Dainh (Islay), 140 fig. 489, 493, 498 ; sect'n in Corallian Amazon plains, E. Peru, 329-46. at, 490-1. Amotherby (Yorks.), 491,492, 498, Araza R. (Peru), 313. 502. Arenig series, Fairbourne-Llwyn- Amphibolite veins in gneiss, Mar- gwril distr., 147,154-60 ; centres capata Valley, 327, 328, pl. of A. vulcanicity, 160, 168. xxvii. Argentina, Paganzo system in, Amplexograptus perexcavatus var., lxxxiii-lxxxv. 352, pl. xxxiii. ARKEL~, W. J., on the Corallian Amsterdam I. (Subantarctic), c xiii. of Yorks., 507-8. Analyses, chemical, of Kramat Asaphellus sp., 154. Pulai schists, 455; of olivine- Asaphus sp. indet., 345. basalt, 5 ; of phonolitic trachyte, Asham Wood & ravine (Somerset), 8 ; of rhyolitic oligoclase-por- 23 et sqq., fig. See also Heale phyry, 383 ; of Welsh oolitic Ladder. neon ores, 420-4 ; micrometric, ASHCROFT, F. N., elected Trea- of muscovite-granite pebbles, surer, xxx. 211 ; quantitative, of rock Ashes, of Beacon Hill Acid types in Birmingham borings, group, 159. See also Cefn IIir 56; of rock types in the Ashes. Clent beds of the Birmingham Ashwick (Somerset), 17. area, 77-8. Auditors elected, vi. 51 1 512 GEN~ERAL INDEX [vol. lxxxix, Ausangate, Mt. (Peru), 309, 316. Bettws Garmon (Carnarvon), iron- Australia, base of Gondwana ore oolites of, 404, 406 et sqq., system in, lxxix-lxxxii. 418. Avonian series in E. Mendips, Bifidus Slates, Fairbourne-Llwyn- faunal zones of, 15-16; succes- gwril distr., 147, 160-1. sion of, in the same area, 17-19. BIGSBY MEDAL awarded to E. J. WAYLAND, lix--lxi ; list of BABINOTON, WILLIAM, cxiii. recipients of, xxxvi. Baie du Cap (Mauritius), 4. Bilboa quarry (Vobster), 41-2. Baie du Grand Port (Mauritius), Biotite, in Rhayader-Llansawel 6. grits, 212. BAILEY, E. B., 143. Biotite-gneiss, Marcapata Valley, Bala conglomerates & grits, 325. Rhayader-Llansawel distr., 204-- Birdsall (Yorks.), 481,503. 17 ; B. series in the Abergwesyn- Birkhill series of Abergwesyn- Pumpsaint area, 175, 177, 196- Pumpsaint area, 175, 176, 178- 7; the same comp. w. other 87, 189-92; comp. w. other Welsh areas, 194-5. See also Welsh areas, 195-6 ; conditions Ceiswyn beds. of deposition of, 197-8. Banc Goleugoed (Carmarthen), 181, Birmingham distr., rocks betw. 191,192. Carb. & Trias in, 53-83. BARLOW-JAMESO~ Fund, list of Black Rocks (Glare.), 224, 234, recipients of, xxxvii. 240, 241, 262, 266, 267. Barr Beacon (Staffs.), Barr Beacon BLA~FORD, W. T., and the age Beds at, 66-7, fig. of the Talchir boulder-bed, Barr Beacon Beds, Birmingham lxv-lxviii. area, 65, 66-72, 74-5, figs., ' Bluestone,' Howardian Hills, pl. vi. 487 et sqq. BARROW, G., obit., lxxxvii-lxxxix. Bodden inlier (Somerset), 17. Barry (Glam.), 258. Bonahaven (Islay). See Portaskaig. Barton-le-Street (Yorks.), 493, Borings, Birmingham distr., 55- 498. 63, 64-5; nr. Coventry, 84. Basalt, Mauritius, 7; b. cappings BOSWELL, P. G. H., cx, 428--9; of Sandfell, 387 et sqq., fig.; elected Secretary, xxx ; on b.-traehyte association, 9-12. artificial current-bedding, 144. See also Olivine-basalt & Plat- Bottlehead springs (near Down- eau-basalt. head), 25. Basement group (Arenig), Fair- BOTTOMI~Y, Sir C., receives Bigsby bourne-Llwyngwril distr., 147, Medal for E. J. WAYLAND, 154-8. lix-~i. Basic Volcanic group (Llandeilo), BOULE, M., Wollaston Medal Faith our ne-Llwyngwril distr., awarded to, liv-lv. 147, 162. Bouley Bay (Jersey), 285 et sqq. BATCHELOR, E., cxix. BOULTON, W. S., on the Rocks Beacon Hill (Merioneth), 146 et between the Carboniferous & sqq. ; Basement group on, 157-8. Trias in the Birmingham dis- Beacon Hill Acid group, Fair- trict, 53-83, figs., pls. v & vi, 86. bourne--Llwyngwril distr., 147, Brachiopoda ,(Llanvirnian) fr. the 158-60. Quitari area, 342-3 ; (Tremadoc) Beacon Hill (Somerset) pericline, fr. Tortworth, 365. 15 et sqq.; in relation to Breadstone (Glos.), 358, 360-1. Radstock coalfield, 18, 20, 30, Breadstone Shales, 358-60, 362; 46-9. fossils fr., 364-75. Beannan Dubh (Islay), 132-5. Breccia. See Clent, Hopwas, Bedlam (Somerset), 28. Nechells, & Northfield breccias, Bedrock, Huayllumbe area, 330- & Tuff-breccia. 6; Quitari area, 340-1. ' Br~ches porphyriques de Menar- Bellerophon app., 365-6, pl. xxxiv. Bieg,' 291, 292. Bellozanne Valley (Jersey), 280, ' Br~ches porphyritiques de Crech- 292. Choupo,' 291, 292. Beltvl~ depressa, 366-8, pl. xxxiv. Breconshire. See Abergwesyn. part 4] GENERAL INDEX 513 Bridgend (Glare.), 224, 251, 254, Caninia Oolite, Vale of Glamorgan, 258, 259. 225, 231, 235, 258, 259, 265; Brimley (Devon), 440, 443. lithology & fauna of, 237-9. Brittany, vole. rocks of, comp. w. Caninia zone. See C zone. those of Jersey, 291-2, 293. Cannock Chase (Staffs.), Barr Bronsil Shales, 362, 374. Beacon Beds on, 69-71. Brookite in Rhayader-Llansawel Carabaya, Cordillera de (Peru), grits, 213. 315, 316. B~OUGHTO~ EDGE, A. B., Lyell Carbon patches in scheelite-fluorite Fund awarded to, lxii-lxiii. ore, 470-1. BROW~, E. E. S., 307. Carboniferous, E. Peru, 314, 315; Bryn Brith beds, 160. rocks betw. Carb. & Trias in Bryn-caregog (Carmarthen), 188. Birmingham distr., 53-83. Bryn Poeth (Anglesey), 406, 407. Carboniferous Limestone of E. Bryn-tyrion (Merioneth), 157. Mendips, 15 ; C.L. succession Bryozoal limestone (K2) of E. in Vale of Glamorgan, 226- Mendips, 15-16, 23. 54. ' Biidesheimer Schiefer,' 436. Cardiff, Avonian of, comp. w. BVLMAN, 0. M. B., on the that of Vale of Glamorgan, graptolites ft. the Quitari area, 257 et sqq. 348-53, pl. xxxiii, 356. Cardiff-Cowbridge anticline, 221, Bunter beds, Windsor St. borings 261, 262. (Birmingham), 57-8 ; break Carmarthenshire. See Llansawel betw. Nechells Breccia &, 62; & Pumpsaint. source of fragments in, 62. Castle Howard (Yorks.), 481, Bunter Pebble Beds, Birmingham 488, 489, 493. area, 65 et sqq. Cawton (Yorks.), 487. Bustamite, Kramat Pulai Scheelite Cawton Heights, 493, 494-6. Mine, 458, 471-2. Cefn Hir Ashes & Slates, Fair- Bwlch-cefn-sarth (Carmarthen), bourne-Llwyngwril distr., 147, 179, 183, 191. 161-2. Bwlch-y-rhiw (Carmarthen), 179 Ceiswyn beds of Fairbourne- et sqq. Llwyngwril distr., 147, 164-5. Bye-laws, amendments to, iii-v, Cephalograptus cometa, 196. cxv-cxvi. Cephalopoda. (Llanvirnian) of Quitari area, 342. C zone, E. Mendips, 18 et sqq.; Cerig Gwynion grits, 204. in Tunscombe Bottom, 24-5, Chalk water-level under London, map; C1 beds in Vale of cxvi-cxxi. Glamorgan, 227, 231-9. Chamarel (Mauritius), 2, 7. C~ S 1 beds, Leigh-on-Mendip, 21; Chamosite in Welsh oolitic iron in Vale of Glamorgan, 227, ores, 419-20, 421-2, 423, 424. 239-43. Chantry (Somerset), 19, 20. Cadet Idris, 145 et sqq.; iron- Chantry fault, I6, 19, 23, 27, 28, ore oolites of, 403, 407 et sqq. ; 30. C.I. sequence comp. w. that of ' Cheiloceras Stufe,' 440-1. Fairbourne-Llwyngwril, 167-8. Chert, in Nechells Breccia, Birm- Caio (Carmarthen), 178, 179, 181, ingham, 60. See also Radio- 183, 187. larian cherts. Calcareous Conglomerate group, Chile Chile (Peru), 310 et sqq. Birmingham distr., 53, 60-1, Chimboya, Mr. (Peru), 309, 312, 62. 317, pl. xxx. Calcite in Rhayader-Llansawel Chlorite, in Rhayader-Llansawel grits, 214. .grits, 212-3; in Welsh oolitic Callangate, Mr. (Peru), 309, 316. iron ores, 403, 404-8, 419-20, Cancaahua (Peru), 314. 429, figs. Candleston (Glam.), 227 et sqq. 'Chloritic schist,' Mauritius, 1 Candleston anticline, 224, 225, et sqq. 230, 261 et sqq., pl. xxi. Chua Chua (E. Peru), 315. Candleston Oolite, 228, 229, 257, Chudleigh area" (Devon), Upper 260, 262, 266. Devonian of, 431-47. 514 OE~-ER~ INDEX [vol. lxxxix, Chudleigh inlier, 433-4, 436, 441, Cowbridge-Cardiff anticline, 221, 444. 261,262. Chudleigh Rocks, 431, 435, 443, Cox, A. H., 170-1, 219. 444. Cox, L. R., exhibits mounted Clays, Huayllumbe area, 330, group of P..!icatostylus gregarius, 331. CXXII--CXXIll. Cleavage in rocks of Abergwesyn- Coxwold (Yorks.), 480, 486, 487, Pumpsaint area, 194. 489. Cleistopora zone. See K zone. Cranmore (Somerset), 17, 19. ' Clent Beds,' the name defined, 81. Cross Foxes (Cader Idris), 408, Clent Breccia, Birmingham area, 4O9, 418. 53, 54, 76, 77-8. Crozet Is. (Subantarctic), cxiii. Cloford (Somerset), 27. Crustacea (Tremadoe) fr. Tort- Clymenia limestone, Devon, 440.