TRANSACTIONS 



of the 



American Fisheries Society 



"To promote the cause oi fish culture; to gatber and 

 diffuse information bearing upon its practical success, 

 and upon all matters relating to the fisheries; to unite 

 and encourage all interests of fish culture and the 

 fisheries; and to treat all questions of a scientific 

 and economic character regarding fish.'' 



VOLUME XLVIII NUMBER 3 



1918-1919 



Edited by Raymond C. Osburn 



JUNE, 1919 



Published Quarterly by the Society 

 COLUMBUS, OHIO 



