355 



April 27. — An Extract from a Letter of the Rev. George Greg, ex- 

 planatory of certain subterraneous sounds, occasionally heard at 

 Nakoos, near Tor, in Arabia ; communicated by the President. 



May 11 and 25. — Notes on the Secondary Formations of Germany, 

 as compared with those of England ; by R. I. Murchison, Esq. 

 Pies. G.S. F.R.S. &c. 



June 8. — A Letter on the Diluvial Deposits of Caernarvonshire, 

 between the Snowdon Chain of Hills and the Menai Straits ; and 

 on the Discovery of Marine Shells in diluvial sand and gravel on 

 the summit of Moel Tryfane, near Caernarvon, 1000 feet above 

 the level of the sea ; from Joshua Trimmer, Esq., and addressed 

 to the Rev. Dr. Buckland. 



November 2. — On certain younger Deposits in Sicily, and on the 

 Phenomena accompanying their elevation ; by Alexander T. 

 Christie, M.D. F.G.S. 



November 16. — An account of a Plesiosaurus in the Museum of the 

 Philosophical Society at Scarborough ; by John Dunn, Esq. V.P. 

 Scar. Phil. Soc, and communicated by the President. 



A Notice on Mount Vesuvius ; by the Comte deMont- 



losier, For. Mem. G.S. President of the Academy of Clermont Fer- 

 rand, &c. 



November 30.— On the Geology of the Southern Provinces of Spain, 

 by Capt. Edward Cook, R.N. F.G.S. 



A Letter from Leonard Horner, Esq. V.P.G.S., and 



addressed to the President, containing extracts from an account 

 published by M. de Buch, of the new Volcanic Island in the Me- 

 diterranean, and its connexion with the extinct Volcanic Island of 

 Pantellaria, and the Hot Springs of Sciacca, on the coast of Sicily. 



December 14. — A Letter on the Influence of Season over the Depth 

 of Water in Wells ; from William Bland, Esq., and addressed to 

 the Rev. Dr. Buckland, V.P.G.S. 



— 14, and January 4, 1832. — On the Stratiform Basalt as- 

 sociated with the Carboniferous Formation of the North of En- 

 gland ; by William Hutton, Esq. F.G.S. 



January 18. — On the Geological Structure of the Crimea ; by Baron 

 Stanislaus Chaudoir, and communicated by Sir Alexander Crich- 

 ton, K.W.S. F.G.S. 



■ Zoological Observations on a new Fossil Species of 



Chelydra found at CEningen ; by Thomas Bell, Esq. F.G.S. 



February 1. — On the Deposits overlying the Carboniferous Series in 

 the Valley of the Eden, and on the North-west Coast of Cumber- 

 land and Lancashire ; by the Rev. Adam Sedgwick, F.G.S., Wood- 

 wardian Professor at Cambridge. 



