GENERAL INDEX. 



Crustacea from the Kimmeridge 

 Clay of the, 47. 



Suffolk, Mr. J. Gunn on the presence 

 of the Forest-bed series at Kessing- 

 land and Pakefield in, 123. 



Superficial deposits, Mr. H. B. Wood- 

 ward on the, of Newton Abbot, 

 Devonshire, 230. 



Surrey, drift-beds of, 87. 



Sus ecrofa clomesticus in the surface- 

 soil of the Eobin-Hood Cave, Cres- 

 well Crags, 247. 



ferus in the Robin -Hood 



Cave, Creswell Crags, 247, 249. 



Sussex, drift-beds of, 87. 



Switzerland, rainfall of, Proc. 4. 



Syenite of Hodritsch, analysis of, 308. 



Syenitic granite, map showing the 

 distribution of Buttermere and En- 

 nerdale, 15. 



of Buttermere, analysis of, 



22 ; of Buttermere and Ennerdale, 

 14, 18. 



rock of the Schemnitz area, 298. 



Szaska, analysis of banatite of, 309. 



Tabular structure, 145. 



Tapinocephahts Atherstoni, 43. 



Tasmania, Prof. Duncan on some 

 fossil reef-building corals from the 

 Tertiary deposits of, 341. 



Taunton- valearea,Trias of the,373,375. 



Tavistock, altered dolerites from, 421. 



Teesdale, Mr. C. T. Clough on the 

 section at the High Force, 466. 



Terebra sulcifera, 525. 



Tertiary corals, Prof. Duncan on the 

 presence of unicellular algae in, 205. 



deposits, Prof. Duncan on some 



fossil reef -building corals from the, 

 of Tasmania, 341. 



of New Zealand, Mr. Henry 



Woodward on a new fossil crab 

 from the, 51. 



Thamnastraa sera, 343. 



sp., 344. 



Theresa, New York, geological phe- 

 nomena of the district round, 76. 



Theriodonts, Prof. Owen on the evi- 

 dence of, in Permian deposits else- 

 where than in South Africa, 352. 



Tides, Proc. 6. 



Tolcarn, rocks from, 162, 163. 



Tonalite of the Adamello group, ana- 

 lysis of, 309. 



Tourmaline, 415. 



schist, 408. 



Trachyte, columns of, curving to a 

 joint in the Pic de Sancy, 142. 



, greenstone-, of Gelnerowsky 



Wrch, analysis of, 308. 



Tretospondylia, 45. 



Trias, Prof. Seeley on a portion of the 



lower jaw of a Labyrinthodon (L. 



Lavisi) from the, of Sidmouth, 



278. 

 Triassic rocks, Mr. W. A. E. Ussher 



on tbe, of Somerset and Devon, 



367. 



strata, Mr. Johnston Layis on 



the, of the cliff-sections near Sid- 

 mouth, 274. 



and Permian strata near Not- 

 tingham, 513, 533. 



Triton dommgensis, 522. 



Tuffs of the Schemnitz district, 294. 



Tuilliere, Boche, columns and cross 

 joints in, 144. 



Turbinelkts adificatus, 523. 



kaitensis, 523. 



Tylor, A., Esq., denuding agencies 

 and geological deposition under the 

 flow of ice and water, with the laws 

 which regulate these actions, and 

 the special bearing on river-action 

 of observations on the Mississippi 

 and other great rivers, and their 

 present and past meteorological 

 1 conditions, and similar remarks on 

 marine deposits, illustrated by the 

 Irish Sea and the Chesil Beach, 

 Proc. 4. 



Upper Glacial deposits south and east 

 of the chalk escarpment in East 

 Anglia, 195. 



Greensand, Prof. H. G. Seeley 



on an associated series of cervical 

 and dorsal vertebra? of Polyptycho- 

 don from the Cambridge, 433. 



, Prof. H. G. Seeley on 



Crocodilus icenicus (Seeley), a 

 second and larger species of Cro- 

 codile from the Cambridge, 437. 



, Prof. H. G. Seeley on Ma- 



crurosaurus semnus (Seeley), along- 

 tailed animal with procoelous ver- 

 tebrae from the Cambridge, 440. 



Silurian and succeeding Palae- 

 ozoic rocks, Mr. H. Hicks on the 

 physical conditions under which 

 the, were probably deposited over 

 the northern hemisphere, Proc. 10. 



Ursus arctos and ferox in the Robin- 

 Hood Cave, Creswell Crags, 247, 

 248. 



Ussher, W. A. E., Esq., on the trias- 

 sic rocks of Somerset and Devon, 

 367. 



Val del Bove, 472. 

 Vesuvius, 473. 



