INDEX. 
_ ABB 
ee G., Was the Deposit of 
Flint and Chalk Contemporaneous? 
275; The Relative Age of Flints, 
477. 
Abnormal Forms of Spirifera lineata, 
249. 
Abstracts of Papers read at British 
Association (Geology), 548. 
Apyornis, Upon, 572. 
Affinities of Anthracoptera and of An- 
thracomya, 188. 
the Genus Astrocenia, 
378. 
Africa, Contributions to the Geology of, 
436. 
Geological Sketch of Central 
East, 561. 
Alps, On some Quartz-schists from the, 
204. 
American Tapir, Evolution of the, 391. 
Analysis of the Fuller’s Harth of 
Vrongoch, 160. 
Anchisaurus, Ceratosaurus, and Clao- 
saurus, 150. 
Annals of British Geology, 134. 
Annual General Meeting of the Geo- 
logical Society, 180. 
Anomeodus, On the Genus, 487. 
superbus, A. S. Woodw., 
sp. nov., 489. 
Willetti, A. S. Woodw., 
sp. nov., 489. 
Antarctic Continent, The, 225. 
Anthracite and Bituminous Coal-beds, 
136. 
Anthracoptera Fossil, 540. 
Aptychopsis Williamsi, T. R. J. and 
H. W., sp. nov., 201. 
Arabia Petra, The Geological Features 
of, 44. 
Archipelago, Note on the Tuscan, 272. 
Arctic Lands, 495. 
Recent Geological History 
of the, 575. 
in the so-called Glacial 
Age, 302. 
Armstrong, James, Obituary of, 94. 
Arnold-Bemrose, H. H., on the Derby- 
shire Toadstone, 559. 
Astrocenia gibbosa, Tomes, from New 
South Wales, 379. 
Athrodon crassus, A. S. Woodw.,sp.nov., 
438. 
DECADE III.—VOL. X.—NO. XII. 
BOU 
Athrodon intermedius, A. S. Woodw., 
sp. nov., 434. 
tenuis, A. S. Woodw., sp. nov., 
435. 
Aveline, W. T., The St. Bees Sandstone, 
87. 
Be New Species of Cyclus from, 
28. 
Bajocian of the Sherborne District, 375. 
Ball, V., on the Volcanoes of Barren 
Island, 289. 
Barren Island and Narcondam, Volcanoes 
of, 289. 
Barrow, G., on Thermo-metamorphism, 
23 
Bathurst, The Geology of, 573. 
Bayfield, T. G., Obituary of, 240. 
Bell, Dugald, Origin of certain Granite 
Boulders in the Clyde Valley, 138 ; 
Alleged Submergence of Britain during 
the Glacial Epoch, 333. 
Bendigo Gold-field, 565. 
Berthelot’s Principle applied to Magmatic 
Concentration, 546. 
Bertrand, M., The Mountains of Scot- 
land, 118. 
Biotite in the Crystalline Schists from 
the Binnenthal, 47. 
Blake, J. F., Annals of British Geology, 
134; The Shell-beds of Moel-Tryfaen, 
267 ; on the Felsites and Conglomer- 
ates between Bethesda and Llanllyfni, 
287. 
Blantord, H. F., Obituary of, 190. 
Bolivia, Paleozoic, Fossils from, 367. 
Bolton, H., on the Occurrence of a Tri- 
lobite in the Skiddaw Slates, 29. 
Bonney, T. G., Note on the Nufenen- 
stock, 46; Greenstones and allied 
Hornblendic Schists from the Pennine 
Alps, 46; Biotite and Hornblende in 
Crystalline Schists from the Binnen- 
thal, 47; on some Quartz Schists from 
the Alps, 264. 
and Raisin, on the so-called 
Spilites of Jersey, 59: on the Vari- 
olite of the Lleyn, 86. 
Boring at Willoughby, in Lincolnshire, 
142. 
Borings in East Lincolnshire, 329. 
Boulders and Pebbles from the Glacial 
Drift, 189. 
37 
