234 Annual Meeting of the 



of the Quebec group of rocks were mainly based. It marks 

 an era in the Lower Silurian Geology of Canada, and illus- 

 trates the pre-eminent value of fossils as guides to the ages 

 of rocks. 



4. Kemp^ visit to Acton Copper Mine. — A good popular exposi- 



tion of the Geology of this very interesting mining district. 



5. Dawson^ on the Earthquake of V]th October^ 1860. — A collec- 



tion of facts relating to the shock as experienced in Canada ; 

 with notices of the general phenomena of Earthquakes, and 

 of former Earthquakes in this Province. 



6. Billings, on certain theories of the formation of mountains. — 



A very good exposition of the prevailing views, with some 

 valuable theoretical deductions. 



7. Bradley^ New Trilohite from Potsdam Sandstones. — Supple- 



mentary to Mr. Billing's Paper, No. 3. 



8. Belly on freshwater Shells, in the Tertiary deposits of Canada. 



— Interesting new facts respecting the fossils of the Pleistocene 

 deposits ; and tending especially to explain the peculiarities 

 of those in Upper Canada, referred to in previous papers in 

 the Canadian Naturalist. 



9. Dawson, on the Geology of Murray Bay. — The local Geology 



of a very interesting region, showing the characters of several 

 important formations in very good natural exposures. 



10. Logan, on the Lower Silurian Rocks of Lake Superior and 



Quebec. — A lucid explanation of the new views entertained 

 by Sir William Logan respecting the age of the Quebec 

 group of rocks, and of the facts in the Silurian Geology of 

 Lakes Huron and Superior, recently obtained by the Survey, 

 with very importantgeneral deductions respecting the physical 

 conditions of Eastern America during^ the Lower Silurian 

 period. 



ZOOLOGICAL PAPERS. 



1. Saunders, on Menobranchus lateralis. — Interesting observa- 



tions on the habits of a most curious Batrachian reptile. 



2. Vennor, on Birds wintering in and around Montreal. — Some 



good observations by a very promising young naturalist ; 

 and showing a much larger number of winter residents and 

 visitors than most persons are aware of. 



3. Ross, on Fur-hearing animals of the McKenzie River Settle- 



ment. — Full of curious new facts about the habits of North 

 American mammalia. 



