1-2 EDWARD VII. SESSIONAL PAPER No. 22a A. 1902 



CONTENTS 



4^ 



Page. 

 I. — ' Account of the Marine Biological Station of Canada ; its Foundation, Equipment and Work,' 



by Professor Edward E. Prince, Dominion Commissioner of Fisheries, Director of the Station. 1 



II.—' The Effects of Polluted Water's on Fish-Life, ' by Dr. A. P. Knight, Professor of Animal 



Biology, Queen's University, Kingston, Ont 9 



III. — ' The Clam Fishei-y of Passamaquoddy Bay, New Brunswick, ' (with four plates), by Dr. Josejjh 



Stafford, Department of Zoology, McGill University, Montreal 19 



IV. — 'The Flora of St. Andrews, New Brunswick,' by Dr. .James Fowler, Professor of Botany, 



Queen's University, Kingston, Ont 41 



V. — 'The Food of the Sea Urchin (Slrongi/locentrotus),' Vjy Dr. F. H. Scott, Physiological Labora- 

 tory, University of Toronto 49 



VI. — ' The Paired Fins of the Mackerel Shark (Lamna),' by Professor E. E. Prince, Dominion Com- 

 missioner of Fisheries, and Dr. A. H. MacKay, Superintendent of Education for the Province 

 of Nova Scotia, Halifax, N.S 5.5 



VII. — ' The Sardine Industry in relation to the Canadian Herring Fisheries,' by B. Arthur Bensley, 



B.A., &c., late Fellow in Biology, University of Toronto -. 59 



PLATES. 



Pl.ate I. — The Clam, Mi/a arcnaria, exterior left side (natural size). 

 II. — The Clam, Mi/a arcnaria, left ventral surface. 

 III. — The Clam, Miia arcnaria, interior aspect. 

 IV. — The Clam, anatomy, nerves, ovvim, embryo, food, &c. 



V. — Left pectoral fin of Mackerel Shark {Lammi), showing cartilaginous skeleton. 

 VI. — Right pectoral fin of Mackerel Shark (Lamna), showing cartilaginous skeleton. 

 VII. — Right pectoral fin of Scyllium, Acanthias, Heptanchus, Chimcera, Cestracion, Polyodon, 

 and Bam. 



22a— B 



