TRANSACTIONS 



of tne 



American Fisheries Society 



-To promote the cause of fish culture; to gather and 

 diffuse information bearing upon it. practical success, 

 and upon all matters relating to the fisheries; to unite 

 and encourage all interests of fish culture and the fish- 

 eries ; and to treat all questions of a scientific and eco- 

 nomic character regarding fish. 



VOLUME XLVI. NUMBER 4 

 1916-1917 



Edited by Raymond C. Osburn 



SEPTEMBER, 1917 



PublisW Quarterly by tke Society 



NEW YORK, N. Y. 



