CONTRIBUTIONS 
TO 
CANADIAN BIOLOGY 
BEING STUDIES FROM THE 
BIOLOGICAL STATIONS OF CANADA 
Ig2I 
Nos. ft atid 2 
ih“ BlOLOGICAE BOARD OF: CANADA 
Professor A. P. KniGHT, Department of Naval Service, Chairman. 
Professor E. E. PRINCE, Commissioner of Fisheries, Secretary. 
Professor L. W. BAILey, University of New Brunswick, Fredericton, N.B. 
Professor A. H. R. BULLER, University of Manitoba, Winnipeg, Man. 
Very Rev. Canon V. A. Huarp, Laval University, Quebec, P.Q. 
Professor J. PLAYFAIR McMurricu, University of Toronto, Toronto, Ont. 
Dr. A. H. Mackay, Dalhousie University, Halifax, N.S. 
Professor R. F. Ruttan, McGill University, Montreal, P.Q. 
Professor W. T. MACCLEMENT, Queen’s University, Kingston, Ont. 
UNIVERSITY OF TORONTO PRESS 
1921 
