GENERAL INDEX TO THE QUARTERLY JOURNAL AND PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [The fossils referred to are described ; and those of which the names are printed in italics are also figured.] Abbey Town, section through, 2,~. ferior Oolites of Dorset and Somerset, Aberaeron, section from Llandeilo to, 57. 158. Ammonites, Mr. S. S. Buekman on Aberffraw Sands, coast section from some, from lhe Inferior Oolite of Porth Nobla to, 216. Dorset, 588. Aberystwit h, constitution of grit from, Ammonites boscensis, 65. 8, 25; section from, to the Devil's - l~raikenridgii, 61. Bridge, 143; section from, through -- l~rongniarti , 64. Pont Erwyd to near Builth, 158; cadomensis, 607. vertical section of Silurian rocks at, -- col"tcaY~8, 60. 164. -- Edouardianus, 61. .- grits, 144, 149, 164. Gervillii, 63. Abnormal geological deposits, ~r. C. I-tumphriesianus, 64. Mobre on, in the Bristol district, linguiferus, 62. 67. Manselii, 64. Acanthograptus ramomts, 174. - Martinsii, 63. AeanthoTholis horridus, 634. Moorei, 65. Adriosaurus 8uessii, 55. Sauzei, 62. zElurosaurus felinus, Prof. Owen on, ---- subeostatus, 63. 261. subradiatus, 61. 2Eolian Sands, 19. Analysis of chloriLie rock and talcose ~Etheotesta devoniea, 306. schist from Plas Goch, 45, note ; of Africa, South, Mr. Dunn on the Dia- serpentine from Ty Newydd, 46, mond-fields of, 609. vote ; of iron-ore from Rio Tinto, 4. African Desert, sand of the, 19. Andesite or basalt from Skomer Is- Age of Arch~ean rocks of Anglesey, land, 411. 229. Andrews, Rev. W. R., note on the Alderley Edge, cupreous sandstones strata of the Purbeck Beds of the of, 15. vale of Wardour, 248. Alum Bay, sands from, 18. Anglesey, age of Arch~ean rocks of, Amaltheus subspinatus, 605. 229. Amlweh, contorted rocks near, 223; , Mr. C. Callaway on the Archsean slates, 223; structure of slaty rock geology of, 210. from near, 235. --, Prof. T. G. Bonney on a boulder Ammonites, Prof. Buckman, on the of Hornblende Picrite near Pen-y- terminations of some, from tho In- Carnisiog, 137: 716 OENERAL INDEX. Anglesoy, Prof, T. G. Bonney on the Barrois, Dr. C., Award of the Bigsby microscopic structure of some rocks Medal to, _Prec. 3z. from, 232. Basalt or Andesite from Skomer Is- Anniversary Address of the President, land, 411. Prec. 37. See also Etheridge, R., Bay de Chaleurs, Devonian plants Esq. trom, 307. Annual Report for 1880, :Prec. 8. Beddgelert and Snowdon, Mr. F. Anodontacanthus, Mr. J. W. Davis on, Rutley on devitrified rocks from, 427. 403. Anodontacanthus acutus, 428. ~, devitrified spherulitic rock from, fastigiatus. 428. 403. --- obtu~s, 428. Benches in British Columbia, 274. Anomodont reptile (Platypodosaurus Bigsby Medal, Award of the, to Dr. robustus), Pro f. Owen on t h e skeleton O. Barrels, Prec. 32. of an : Part ] I. Pelvis, 266. Blake, Rev. J. F., on the correlation dntedou impre~a, 135. of the Upper Jurassic rocks of Arabia Petrma, sand from, 19. England with those of the Continent, Arseosaurus gracilis, 700. 497. Archman geology of Anglesey, Mr. C. Bluen y eiel, section through, 159. Callaway on the, 210. Bodafon Mountain, gneissie rocks of, Areh~oTteris sp., 305. 219. Ardennes, Upper Jurassic rocks of , quartz-schist from summit of, the, 501. 233. Arenig-felstone and Eskdale-granite Bodorgan, section on the railway from dispersions, junction of the, 361. Ty Crees to, 217. Arman~on, map of llle valley of the, --, structure of igneous rock from 531. a green shale near, 236. Ascodietya and Stomatoporm. lY[r. Bodwrog, structure of crystalline Vine on, 613. limestone from near, 236. hscodictyon stellatum, 618. Bolonian of the Boulonnais and Eng- -- radians, 618. land, .581. Ashdown Sands, constitution of, 16. Bone-bed, Mr. J. W. Davis on the Ashton, vein at, 77. fish-remains of the, at Aust, near Assynt and Durness, Mr. C. CaUaway Bristol. on the Limestone of, 0-39. Bonney," Prof. T. O., on a boulder of Asteropteris novebo~acensis, 299, 307. hornblende pierito near Pen-y- Astroconia Grau~i, Mr. W. J. Sollas Carnisiog, Anglesey, 137. on, a new Lyssakine Hexaetinellid --, on the microscopic structure of from the Silurian formation of some Anglesey rocks, 233. Canada, 254. , on the serpentine and associated Athabasea river, British Columbia, rocks of Anglesey, with a note on ")76. the so-called serpentine of Porth- Aube, Upper Jurassic rocks of the, dinllcyn (Caernarvonshire), 40. 525 ; map of the valley of the, 526. Beetle bore-hole,constitutionof Bunter Augill, near Brough, Sandstone from, sandstone from, 13. 12. Berth Saint, structure of quartz-schist Aust, near Bristol, Mr. ft. W. Davis from, 233. on the Fish-remains of the Bone- Boulder of Hornblende Pierite near bed at, 414. Pen-y-Carnisiog, Anglesey, Prof. T. Australia, Devonian plant from, 306. G. Bonney on a, 137. Auxerre, map of the Yonne valley Boulder-clay of West Cumberland and south of, 534. :North Lancashire, 29. Avon, view of the gorge of the, near Boulder-drift, Mr. Hollingworth on a Clifton, 76; Conglomerates of the peat-bed interstratified with the, gorge of the, 76. 713. Botflders, position of, in the Moel- Ba~lt, Flintshire, Glacial sands from, Tryfan deposits, 354; position of, 19. in Frondeg gravel-pits, 360. Bal~enoTtera J~ldi, 709. Boulonnais, Upper Jurassic reeks Barmouth, Cambrian Grits of, 7, 25. of the, 557; map of part of the, Barrah Ilill, Section through, 194. 559. OENER&LINDF~. 717 Bourges, map of country round, 540. conia Granti from the Silurian for- Bovey Heathfield, sands from, 19. marion of, 254. Bradford, constitution of Sandstone Ca~wla fo~ilis, 3~2. from Spinkwell Quarry near, 11. Caradoe Waterfkll and Traws Coed, Braxlford Abbas, vertical section of section in railway-cutting between, Inferior Oolite at, 590. 155. Braich, section of drift-(leposik~ be- Carboniferous Fenestellidm, Mr. G. tween, and the summit of the Ridge, Shrnbsole on the, 178. Frondeg, Denbighshire, 367. grits and sandstones, 11, 25. Brampton, section from the Solway to Cardigan, 162. near, 296. Cardiganshire, South-west, vertical :Brigham, Sandstone from, constitution section of Silurian rocks in, 164. ot, 11 ; analysis of, 21. CardioTteris eriana, 305. Bristol district, Mr. C. Moore on ab- Cardita-Beaumonti beds of Sind, 193 ; normal geological deposits in the, corals of the, 197. (;7. Carlisle :Basin, Mr. T. V. Holmes on Bristol Reptilia, age of the, 80. the Permian, Triassic, and Liassic British Columbia, Dr. G. Dawson on rocks of the, 286. the superficial geology of, 272. Carpenter, P. H., Esq., on two new Broekenhurst fauna, affinities of the, Crinoids from the Upper Chalk ot 110; relation of Colwell marine Southern Sweden, 128. fauna to, 112. Carrall, J. W., Esq., on the locality of Brockenhurst zone at Whitecliff Bay some fossils found in the Carboni- and in the New Forest, 109; fossils ferous rocks at T'ang Shah, China,83. of the, 115. Carreg-winllan, structure of igneous Brodie, Rev. P. B., on certain quartzite rock from, 236. and sandstone fossflit~rous pebbles Carruthers, W., Esq,, identification of in the Drift in Warwickshire, and lants in brown iron-ore from Rio their probable identity, lithologi- into, 4. cally and zoologically, with the true Carstone, of :Hunstanton, constitution Lower-Silurian pebbles witb similar of, 17; analysis el', 18. fossils in the Trias at Budleigh Sal- Cas Clock, characters of chlorite- terton, Devonshire, 430. schists from, 234. Bryn-y-Carnau quarry, ibssi|s from, Catenieella alata, 317. 145. ampla, 317. Bryozoa, fossil Chilostomatous, from cribriformis, 317. South-west Victoria, Mr. A. W. elegans, 317. Waters on, 309. flexuosa, 317. Buckman, g., Esq., on the terminations otternodia, 318. of some Ammonites from the Infe- marginata, 317. rior Oolite of Dorset and Somerset, solids, 318. 57. Caulopteris Lockwoodi, 307. Buckman, S. S., Esq., on some species Cefn Coeh, fossils from, 152. of Ammonites from the Inferior l:Iendre, fossils from, 145. Oolite of Dorset, 588. Cellaria fistulosa, 319. Budleigh Salterton, Lower-Silurian ~- globulosa, 321. pebbles in the Trias at, 430. mah, inensis, 321. Bunter sandstones, constitution of, 12. ovicellosa, 321. Cellepora./bssa, 343. Caberea rudis, 322. ~/arraensis, 343. Caernarvonshire, high-level gravel and sp., 344. sand in, 357. CelluloaT/lon pri~z~vum, 302. Caerwen Farm, section through, 159. Cemmaes, structure of crystalline Callaway, Dr. C., on the Areha~an geo- limestone from near, 236. logy of Anglesey, 210. limestones, 223. --, on the limestone of Durness and Central Wales, Mr. W. Keeping on Assynt, 239. the geology of. 141. CalyTtograptus digitatus, 174. Central zone of Angleaey, 218. -- plumosus, 173. Cerrig Ceinwen, slaty group of, 215 ; Cambrian grits and sandstones, 7. structure of slaty rock from near, Canada, Prof. W. g. Sollas on Astro- ~ 718 e~T, II~I)EXo Cerrig ddwyffordd, sia'ueture of slaty Colwyn Bay, Middle Glacial drift of, rock from, 234, 235. 19. Ceryg Moelion, serpentine near, 42, Comdn, Prof. Seeley on the remains of section of quarry at, 43; micro- a small Lizard from the Neoeomian seopie character of rock from, 46. rocks of, 52. Cetacean, Prof. Judd on the remains Conglomerates of the gorge of the of a, in the Lower Oligoeene strata Avon, 76. of the Hampshire basin, 708. Constitution of grits and sandstones, Chalk, Upper, of Southern Sweden, Mr. J. A. Phillips on the, 6. Mr. P. H. Carpenter on two new Contortions in railway-cutting near Crinoids from the, 128. Traws Coed, 155. Charente, Upper Jurassic rocks of the, Coppinger, Dr. R. W., on Soileap-mo- 541. tion, 348. Charmouth, Mr. Sollas on a new Corallian of the Paris basin and Eng- species of Plesiosaurus from the land, 570. Lower Lies of, 440. Coralliferous series of Sind, Prof. P. Cher, Upper Jurassic rocks of the, M. Duncan on the, 190. 538. Corals of Sind, 197. Cheshire, Bunter sandstones' of, 12. Corris area, 162.