CANADIAN NATURALIST. 



This Magazine is published bi-raonthly, and is conducted by a Com- 

 mittee of the Natural History Society of Montreal. 



EDITORS FOR THE YEAR 1862-3. 



J. W. Dawson, LL.D., F.R.S., Principal of McGill College. 

 T. Sterry Hunt, A.M., F.R.S., Chemist to Geological Survey of Canida 

 E. Billings, F.G.S., Paleontologist. " " " 



Prop. S. P. Bobbins. Ret. A. F. Kemp. 



General Editor. — David A. Poe Watt. 



EX OFFICIO. 



The Corresponding and Recording Secretaries of the Nat. Hist. 

 Society. 



Sd° The authors alone are responsible for their respective articles. 

 JUST PUBLISHED : 



DE. DAWSON'S NEW WORK. 



THE 



AIR-BREATHERS OF THE COAL PERIOD ; 



A descriptive account of the remains of Land Animals found in 

 the Coal Formation of Nova Scotia, with remarks on their bearing* 

 on Theories of the Formation of Coal and of the Origin of 

 Species, by J. W. Dawson, LL.D., F.R.S., F.G.S., Principal of 

 McGill University, Montreal, 8vo. pp. 81 ; illustrated by 7 full page 

 Lithographs containing over 200 drawings. 



Price $1.00. 

 A few cop'es have been published with a Microscopic Photo- 

 raph containing 11 illustrations. 



Price $1.50. 

 Montreal: Dawson Brothers ; — Toronto: Chewett & Co.; — 

 New York : Bailliere Brothers ; — London : H. Bailliere. 



