208 



THE GEOLOGIST. 



than half involved in each other^ ribs bifurcated towards 

 the outer edge. 



Small univalve shells of many species, amongst which is 

 theActeon; these are much varied, and particularly beauti- 

 ful, though for the most part microscopic ; several micro- 

 scopic species of bivalves accompany the above ; a small 

 species of Trigonia ; T. minima marks the Stonesfield slate, 

 both in our neighbourhood and also in the Oxford strata. 



PROCEEDINGS OP SOCIETIES. 



MANCHESTER GEOLOGICAL SOCIETY. 



May 26th. 1842. — The last meeting for the present ses- 

 sion was held this evening, Capt. Thomas Brown, F.L.S. 

 M.W.S. in the chair. After the usual routine of business, 

 the Secretary announced donations from Mrs. Bowman, 

 Messrs. Murchison, W. Meller, Ormerod, Moore, Hall, 

 Whitehead, Dr. Clay, and the Manchester Natural History 

 Society. 



Mr. Binney, after reading the report of the discussion, 

 which took place at the last meeting, upon the paper on 

 the Temperature of the Ocean, by Robert Harkness, Esq. 

 of Ormskirk, as given in the "Geologist^' of June, read 

 a further communication from that gentleman, of which the 

 following is an abstract : — 



During the short period which has elapsed since Agassiz 

 first published his glacial theory, evidences of glacial action 

 have been discovered, not only over a great part of Europe, 

 but also in America. Maclaren, in the Edinburgh New Phi- 

 losophical Journal, in reference to the traces of glaciers in 

 that region, states that proofs of the foruier existence of 

 glaciers are found, with a few local exceptions, over a breadtli 



