INDEX to the PROCEEDINGS. 



Theoretical section of the Valley of the 

 Somme at the time of the formation 

 of the High-level Valley-gravels, 

 504 ; of the Lower-level Valley-gra- 

 vels, 504 ; at the time of the emer- 

 gence of the High-level Valley-gra- 

 vels, 504. 



Thysanus corbicula, 430. 



■ excentricus, 439, 514. 



Tracks of Crustaceans, 42, 92. 



Trias of Europe, Estheria minuta in 

 the, 146. 



Trichomanites filicula, 464. 



Trochocyathus cornucopia, 428. 



Tyndrum, 200. 



Typhis, tail-piece of, 79. 



Uldale, section fromMatterdale to, 120. 



Ullswater to Wastdale Crag section 

 from, 127. 



Ulverston, caverns near, 20 ; map of 

 the Lindale district near, 21 ; Miss 

 E. Hodgson on a deposit containing 

 DiafomacecB, Leaves, &c, near, 19; 

 swallow -holes near, 21 ; tarns near, 

 20. 



Upheaval of the Madoopore Jungle. 

 329. 



Upper Lias, definition of the, 280. 



Upper Silurian passage-beds at Linley. 

 Salop, Messrs. Roberts and Randall 

 on the, 229. 



Urswick Tarn to Lindale Cote Mines, 

 section from, 26. 



Vadadry, section at. 33. 



Valley-gravels, sections illustrating the 

 formation and emergence of the, 504. 



Valley of the Ganges, physical changes 

 in the, 329 ; Somme, sections of the. 

 504. 



Wastdale Crag, section from Ullswater 

 to, 127. 



Watch-tower, section from the Laby- 

 rinth-Berg to the, 360. 



Wells, ancient physical geography of 

 the district near, 272 ; hyama-den 

 at Wookey Hole, near, 260. 



Westhay Cliff, 281 ; vertical section of 

 the Middle Lias at, 282. 



West Indian Islands, fossil Corals of 

 the, 406 ; Miocene formation of the, 

 452 ; Seas, ancient physical geogra- 

 phy of the, 454. 



Wollaston Donation-fund, award of 

 the, xxviii ; Medal, xxvii. 



Wollaston. T. V., Esq., note on the re- 

 mains of Coleoptera from the Peat 

 of Lexden Brick-pit, 400. 



Woodward, H., Esq., on a new Ma- 

 crurous Crustacean (Scapheus ancy- 

 lochelis) from the Lias of Lyme 

 Regis, 318. 



Wookey Hole near Wells, Mr. W. 

 Bovd Dawkins on a hyama-den at. 

 260. 



Wright, Dr. T., on the fossil Echinida; 

 of Malta ; with notes on the Miocene 

 beds of the island, by Dr. A. Leith 

 Adams. 277. 



THE EXD. 



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