Excursion to Rockland, June 17th. 
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June, i8gj, 

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Volume VII. No. 3. 
The Beaver (Castor Canadensis, KuhlJ. 
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Page 
My Aquariam. Mr. H. B. Small 33 
Birds of Montreal 49 
Experimental Farms ' 49 
Sir Richard Owen 50 
Conchology. Mr. G. W. Taylor 51 
Royal Society of Canada 51 
Excursion No. 2 52 
OTTAWA, CANADA: 
l'AYNTKR & ABDOTT, PRINTERS, 48 RlDEAU STREET. 
Issued May 31st, i8gj. 
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Published Monthly at $1.00 per annum. 
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