435 



Six Specimens shewing the Action of Glaciers on Rocks : — 



1. Limestone taken from under the Ico of the Glacier of La 



Brenva in Piedemont, in July 1042. 



2. 3. 4, Specimens of Granite from the Grimsel, supposed 



to shew Glacier Polish. 

 6. 6. Specimens of Limestone from the Jura, shewing (sup- 

 posed) Glacier Polish. — By Professor Forbes. 

 Specimens of Fossil Fish, from the Old Red Sandstone of Moray- 

 shire, named by M. Agassiz. — By Prof. Forbes. 



] 



