GBNEEAL INDEX. 



607 



raised beaches, origin of, 295-298 ; 

 at. Selsey, origin of, 351. 



Boulder Clay in Essex, 367 et 8eqc[. 



Boutiques dyke, 139. 



Bowsey Hill, 40. 



Boyle(Roscommon),felspatliic breccias 

 near, Froc. 97. 



Braamfontein, section, 421. 



Bracknell, Bagshot Beds at, 64-55, 

 485. 



Bradfield, 39, 41. 



Brady, Dr. H. B., report on Bar- 

 badian microzoic rocks, 195-199. 



Braich Melyn, 247, 248. 



Braid Hills, Proc. 70, 78 et seqq. 



Breccias, Red, in Devon, age of, 75- 

 77. _ 



Brecciated structure in hornblende- 

 rock, 130. 



Brecqhou rocks, 139, 141. 



Brent Valley, age of the, 371. 



Brighton, ' head ' and raised beach at, 

 267-270. 



Brithdir quartz-felspar grit, 244 et 

 seqq., 259-260. 



British Isles, periods of volcanic action 

 in the, Proc. 169. 



Bron-y-foel, 252. 



Bronllwyd Grit, 245 ei seqq. ; junction 

 of, with Pale Slate, 247. 



Brook Cliff, rubble-drift on, 275. 



Browne, Mr, R. G. Mackley, on the 

 Precipitation and Deposition of 

 Sea-borne Sediment, Proc. 1 84. 



Bryn Ciil, 226. 



Bryn Derw, 255. 



Bryn Efail, section at, 243-244. 



Bryn Hafod-y-wern, fault at, 245. 



Bryn Madog, 257. 



Bryn Ogwen, 247. 



Bryniau Bangor, 255. 



Brynllwyd, 257. 



Bryozoa, North Italian, 153-162. 



Buckhurst, 54. 



Bucklebury Common, 39-40. 



Buckmau, Mr. S. S., on the Morpho- 

 logy of ' Stephanoceras ' zigzag, 



Buddo Ness, Proc. 158. 



Budleigh Salterton Conglomerate, 64- 



65. 

 Buffelsdoorn, 433 ; section, PI. X. 

 Bidimina trigona, 515. 

 Bunter Beds in South Devon, 64-65, 



68-71. 

 Burghfield Common, gravel on, 39. 

 Burleigh, 36. 

 Burnt Hill (Barbados), 205 ; minute 



structure of i*ock from, 174. 

 Burons islets, 124. 

 Burtley Heath, gravel on, 39. 



Butler, Mr. G. W., and Prof. G. A. J. 

 Cole, on the Lithophyses in the 

 Obsidian of the Rocche Rosse, 

 Lipari, 438-445. 



Butts Green, 367. 



Cae Seri, 257. 

 Caerhun, 259. 

 Caernarvonshire, Rev, J. F, Blake on 



rocks mapped as ' Cambrian ' in, 



243-262, 

 Csesar's Camp (Aldershot), section 



near, 32. 

 Cairo, 481. 

 Calcareous and calcareo-siliceous marls 



of Barbados, 173. 

 Calceola Beds, 377 et seqq. 

 Calcified earths of Barbados, 176-177. 

 Caldy Island, ossiferous fissures on, 



320. 

 Caledonia, Lake, Proc. Sj et seqq. 

 Camberley, gravel at, 34. 

 ' Cambrian ' in Caernarvonshire, Rev. 



J, F, Blake on rocks mapped as, 



243-262. 

 Campsie Fells plateau, Proc. 107 et 



seqq. 

 Cane Garden (Barbados), 216. 

 Canefield (Barbados), Oceanic De- 

 posits at, 208 ; basal chalk from, 



173, 177 ; red earth from, 181. 

 Canterland, Den of, Proc. 86. 

 Carapace in trilobites, 235. 

 Carbonaceous rocks in Egypt, 483, 



484. _ 

 Carboniferous volcanic rocks, Proc. 



104-147. 

 Careg Ludan grit, 250. 

 Careg-y-Fedwen, 259. 

 Careg-y-Gath, 257, 

 Caribbean region, change in physical 



geography of the, 221-225, 536- 



538. 

 Caroni Series of Trinidad, 520. 

 Carson, Mr. A., on the Rise and Fall 



of Lake Tanganyika, 401-403. 

 Cassidulina subglobosa, 197. 

 Castle Grant (Barbados), Oceanic De- 

 posits near, 206-208; minute 



structure of rocks from, 174-176, 



180, 181. 

 ' Cataract ' rock of Upper Egypt, 576 



et seqq. 

 Cattedown Cave, ossiferous breccia in, 



319. 

 Cawsand, 'felspathic trap* at, 498- 



500. 

 Cawsand Bay, raised beach and * head ' 



in, 279-280. 

 Cedar Grove (Trinidad), rock from, 



219. 



