INDEX TO THE PKOCEEDINGS. 



Ireland, Ixxiv ; Senft's * Diekrystal- 

 linischcn Felsgcmcintheile,' Ixxvi ; 

 Vogelsang's ' Philosophie dcr Geo- 

 logie,' Ixxvii ; Subterranean Tem- 

 perattu'e, Ixxix. 

 Sodium, pseudomorplious crystals of 



chloride of, 546. 

 Somme, gravel of the valley of the, 1, 



103. 

 South Devon, older rocks of, 401. 

 Southwold, Suffolk, section of cliff cast 



of, 375. 

 Speeton and Buckton cliffs, coast- 

 section from Kilnsea Beacon to the, 

 148. 

 Speeton Clay, distribution of the fos- 

 sils of the, 241, 245 ; Mr. J. W. 

 Judd on the, 218 ; vertical section 

 showing the subdivisions of the, 231. 

 Speeton, cliff-section at, 229, 

 Speeton Cliff, sketch-map of, 230. 

 Spiti Shales, Himalaya, 508. 

 St. Achcul, sections at, 106. 

 St, Croix, Trinidad, list of fossil corals 



from, 12. 

 St. Domingo, fossil corals from, 16 ; 



saliferous deposit in, 335. 

 Steejiing, section across the, 163 ; 



valleys of the Bain and the, 161. 

 Steganodictyum Cornubicum, 546. 

 Stephanocoenia Retissi, 19. 

 Stoddart, W. W., Esq., on the Lower 



Lias Beds of Bristol, 199. 

 Stoliczka, Dr. F., on Jurassic deposits 



in the North-west Himalaya, 506. 

 Stone implements in Southern India, 

 Mr, B, Bruce Foote on the distri- 

 bution of, 484. 

 Stowford to Mill Hill quarry, near 

 Tavistock, section from the lime- 

 stone at, 409. 

 Strata, disposition of iron in varie- 

 gated, 351. 

 Structure of Argyllshire, 255. 

 Stylocoenia lobato-rotundata, 20. 

 Stylophora minuta, 14. 

 Subathoo group, 45. 

 Subhimalayan sections, description of 



some, 44. 

 Submergences of the shores of the 



Bristol Channel, 282. 

 Suffolk, Crag-beds of Norfolk and, 

 288 ; structure of the Crag-beds of 

 Norfolk and, 460. 

 Surfaces of limestone and granite, 

 origin of smoothed, hollowed, and 

 rounded, 277. 

 Swan, W. E., Esq., on the Greology of 

 the Princes Islands, in the Sea of 

 Marmora, 53. 



Switzerland, geology of Saxon, 548. 



Table of Devonian fossils, 446, 450 ; 



fossils from the beds below the 



Upper South Devon limestones, 



432. 



Tagling limestones of the north-west 



Himalaya, 507. 

 Tavistock, section from the limestone 

 at Stowford to Mill Hill quariy, 

 near, 409. 

 Tertiary stx^ata of the Alps, 38 ; Sub- 

 himalayas, 45 ; Whitecliff Bay, 

 519. 

 Tetragrapsus biyonoides, 131. 



crucifer, 144. 



Headi, 131. 



quadribrachiatus, 131. 



Thames Valley, section from Brick- 

 enden Q-reen to the brow of the, 

 469. 

 Thickness of the Carboniferous rocks 



of Lancashire, 319. 

 Thomson, J., Esq., on some Carboni- 

 ferous corals, 463. 

 Thylacoleo carnifex, Owen, restora- 

 tion of the skuU of, 312, 

 Tooth of ElepTias Indicus, sketch of a 



fossil, 497. 

 Topley, W., Esq., on the Lower Cre- 

 taceous beds of the Bas-Boulon- 

 nais, with notes on their English 

 equivalents, 472. 

 Torbay limestones, beds below the 

 Plymouth and, 414 ; beds over- 

 lying the Plymouth and, 433 ; Ply- 

 mouth and, 427. 

 Trachy tic rocks of the Princes Islands, 



Sea of Marmora, 54. 

 Trap-rocks of the Princes Islands, 



Sea of Marmora, 56. 

 Trias of the East of France, section in 



the, 383. 

 Trinidad, geology of, 10, 

 Trent at Newark to the Nen at Peter- 

 borough, section from the, 160. 

 Trent to the sea-chff beyond Aid- 

 borough, section from the river, 

 160. 

 Tylor, A., Esq., on the Amiens Grra- 

 vel, 1, 103 ; on the Quaternary 

 Grravels of England, 455. 

 TJgborough to Salcombe, section from, 



438. 

 Upper Glacial Clay of Lincolnshire 

 and South-east Yorkshire, 147; 

 Greensand and Gault of the Bas- 

 Boulonnais, 473 ; Kimmeridge in 

 the Speeton Clay, 238 ; Neocomian 

 in the Speeton Clay, 225 ; Silurian 

 formation, Shropshire, section of 



