582 



Index. 



Sea-level, Changes of, during the Glacial 



Period, 392, 485. 

 Seas, Physical Conditions of Inland, 545. 

 Selwyn, A. R. C, On the Discovery of 



Reptilian Footprints in Nova Scotia, 



250. 

 Silurian and Cambrian Rocks, Classifica- 

 tion of the, 383. 

 Silurian Rocks of the Lake District, 384, 



441 ; of the United States, 509. 

 Smyth, E. B., Auriferous Deposits of 



Australia, 335. 

 SoUas, "W. J., New British Crustacean, 



144 ; Upper Greensand of Cambridge, 



332. 

 and A.J. Jukes-Brown, Included 



Eock-fragments of the Cambridge 



Upper Greensand, 571. 

 Somersetshire, Minerals of, 129 ; Ehsetic 



Beds of, 196; Divining-rod in, 528. 

 Sponges, Fossil, 309, 343. 

 Squaloraia polyspondyla, 145. 

 Subsidence the Effect of Accumulation, 



119. 

 Swedish Asar, Origin of the, 307. 

 Swiss Glacial Deposits, 61. 

 Symonds, W. S., Fish-remains in the 



" Devonian Beds of Cornwall, 239. 



TALUSES, Formation of, 10, 93. 

 Tate, E., Note on the Discovery of 

 the oldest known Trigonia in Britain, 

 306 ; " Eudimentary Treatise on Geo- 

 logy," 131. 



Taylor, J. E., Divining-rod in Essex, 

 576. 



Tentaculites, 446. 



Terraces in Norway, 48. 



Tiddeman, E. H., Evidence for the Ice- 

 sheet in North Lancashire, etc., 381. 



Tin-ore in Queensland, 569 ; in New 

 South Wales, 569. 



Topley, W., Geology of the Straits of 

 Dover, 432. 



Tornebohm, A. E., Origin of the Swedish 

 Asar, 307. 



" Town Geology," 478. 



Traquair, E. H., Supplementary Note on 

 Fhaneropleuron awA. Uronemus, 271. 



Tree-ferns of the Coal-measures, 465. 



Trochoajathus anglicus, 378. 



Trigonia Lingonensis, 306. 



Trimerella, 442. 



Tylor, A., on the Formation of Deltas, 

 392, 485. 



U LEIGH, G. H. F., Tin-ore in New 

 South Wales, 569. 

 Unio limosus in the Crag, 431. 

 United States, Silurian Eocks of the, 509. 

 Uronemus, 271. 



VALLEYS of Erosion, 318. 

 Valleys in Norway, 481. 

 Vesuvius, Eruption of, 244. 

 Volcanic Products, Source of, 188. 

 Volcanos, 130. 

 Volga, 495. 



WALES, North, Age of Floating Ice 

 in, 15. 



Walker, H., Glacial Drifts of North 

 London, 45. 



Ward, J. C, On Eock Staining, 389. 



Watei', Lecture on, 477. 



Wealden Vertebra, 42. 



Formation, 282. 



Whitaker, W., Geology of the London 

 Basin, 323, 474; Occurrence of Chalk 

 Eock near Salisbury, 427. 



Whitnell, S. J., Notes on Atolls, 329. 



Winkler, T. C.,]On Caelacanthus Sarlem- 

 ensis, 31. 



Wilson, J. M. , On the Forms of Valleys 

 and Lake-basins in Norway, 481. 



WoUaston Medal and Donation Fund, 

 Awards of the, 141. 



Wood, S. v., Crag MoUusca, 326 ; Pur- 

 pura lapilbis, 431, 576. 



S. v., jun., Eaised Beach on 



Portsdown Hill, 92 ; On the Climate 

 of the Post-Glacial Period, 153 ; Cor- 

 relation of the Scotch and English 

 Glacial Beds, 171, 352. 



Wood, Fossil,' from the Lower Eocene, 

 241. 



Woodward, H., Eelationship of the 

 Xiphosura, 89 ; On a New Species of 

 Eostellaria from the Grey Chalk, 97 ; 

 Fossil Merostoraata, 326 ; On a New 

 Arachnide from the Coal-measures of 

 Lancashire, 385 ; Notes on some 

 British Palasozoic Crustacea, 433 ; 

 Eeport on Fossil Crustacea, 563. 



Woodward, H. B., List of Minerals found 

 in Somersetshire, 129; Note on the 

 Midford Sands, 513; The Divining- 

 rod in Somersetshire, 528 ; Boulder- 

 clay (?) in Devonshire, 574. 



and J. H. Blake, Notes on the 



Relations of the Ehajtic Beds to the 

 Lower Lias and Keuper Formations in 

 Somersetshire, 196. 



■y^IPHOSURA, 438; Eelationship of 

 y\ the, 89. 



TAEKAND Expedition, 373. 

 Yorkshire, Permian Beds of, 99 ; 

 Infralias in, 137 ; Glacial Phenomena 

 of, 329 ; Permian Beds of, 338. 



Geological and Polytechnic 



Society of the West Eiding of, 468. 



