INDEX TO THE PROCEEDINGS. 



in which shells are found in the red 



crag, 353. 

 Thones, section at, 186. 

 Trias of South Tyrol, 164; of Recoaro, 



167. 

 Tweedy, Mr., on Towan Head, xci. 

 Tylostoma, a proposed genus of gastero- 



podous mollusks, Mr. D. Sharpe on, 



376. 

 Tylostoma Torruhies, 378. 



punctatum, 378. 

 ■ globosum, 379. 



ovatum, 379. 



Tyrol, trias of South, 164. 



Vallongo, Mr. Sharpe on the Silurian 



slates and coal of, 145. 

 Verneuil, M. de, on Brachiopods from 



Gothland, cvii. 

 Vicentine, tertiary rocks of the, 217. 



Vienna, Contributions of the Friends of 

 Natural Science at, noticed, cxiii. 



Wallenstadt, section near, 200. 



Wealden, Dr. Mantell on the organic 

 remains of the, 37. 



Weston, Mr., further observations on 

 the geology of Ridgway, 317; no- 

 ticed, liv, Ixvi. 



Wiggins, Mr., on fossil bones from the 

 Crag, noticed, Ixxxiii. 



Wigtonshire, Mr. J. C. Moore on the 

 Silurian rocks of, 7 ; Mr. Salter on 

 fossils from, 13 ; 



Williams, Rev. D., on volcanic inter- 

 ferences, xcii. 



WoUaston Medal and Donation fund, 

 xvii. 



Zoophytes, Mr. Lonsdale on fossil, 55 ; 

 Mr. Bowerbank on a siliceous, 319. 



THE END. 



PRINTED BY RICHARD AND JOHN E. TAYLOR, 

 RED HON COURT, FLEET STREET. 



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