356 CANADIAN INSTITUTE. 
On the Results of Recent Explorations of Erect Trees, containing Animal 
Remains in the Coal Formation of Nova Scotia, by J. W. Dawson, LL.D., 
F.R.S. Presented by the Author. 
First Annual Report of the Bureau of Ethnology for 1879-80. Presented by 
the Director, J. W. Powell, Esq. 
Documents Relating to the Colonial History of the State of New York. 
Vol. 2. New Series. Presented by the Trustees of the New York State 
Library. 
The Century Magazine for March, 1882. Presented by James Bain, jun., Esq. 
Papers on ‘‘ Canadian Fresh Water Polyzoa,” ‘‘ Parasites in the Pork Supply 
of Montreal,” and ‘‘ Certain Parasites in the Blood of the Frog,” by 
William Osler, Esq., M.D. Presented by the Author. 
Paper on the Origin of the so-called ‘‘ Test Cells,” in the Ascidian Oran, by 
J. Playfair McMurrich, B.A. Presented by the Author. 
II. —EXCHANGES. 
CANADA: 
The Statutes of Ontario for 1882. 
The Canadian Entomologist, Nos. 5-12, 1882, and Nos. 1-3, 1883. 
Transactions of the Ottawa Field Naturalists’ Club, No. 3, and Circular. 
The Canadian Naturalist, Vol. X., Nos. 2, 3, 4, 5, 7. 
Bulletin of the Natural History Society of New Brunswick, Nos. 1 and 2. 
Discovery of Tripoli, near St. John. Pamphlet. 
Annnal Report of the Natural History of New Brunswick. 
Medicinal Plants of New Brunswick. 
Transactions of the Literary and Historical Society of Quebec, 1881-82. 
The Canadian Practitioner and Canadian Journal of Medical Science to 
March, 1883. 
Publications of the Manitoba Historical and Scientific Society, Winnipeg, 
Nos. 1-4. 
Transactions, No. 3. 
Annual Report, 1882-83. 
The Monthly Weather Review of the Meteorological Service, Dominion 
of Canada, April, 1882, to March, 1883. 
General Meteorological Register for the year 1882. 
The Weekly Health Bulletin, issued by the Board of Health of Ontario. 
First Annual Report of the Provincial Board of Health of Ontario for 
1882. 
Unirep Srares oF AMERICA: 
Transactions of the New York Academy of Sciences, 1882-83. 
Annals of the New York Academy of Sciences, 1882. 
Memoirs of the Boston Society of Natural History, 1882. 
Proceedings of the Boston Society of Natural History, 1882. 
Bulletin of the Essex Institute, Salem, 1881. 
Flora of Essex Co., Mass., by J. Robinson, 1880. 
The Penn Monthly, New York, June, 1882. 
Publications of the Missouri Historical Society, Nos. 5-7, 1881-83. 
