U. S. DEPARTMENT OF COMMERCE 
Daniel C. Roper, Secretary 
BUREAU OF FISHERIES 
Frank T. Bell, Commissioner 
AGE AND GROWTH OF THE CISCO, 
LEUCICHTHYS ART ED I (LE SUEUR), IN THE 
LAKES OF THE NORTHEASTERN 
HIGHLANDS, WISCONSIN 
By RALPH HILE 
From BULLETIN OF THE BUREAU OF FISHERIES 
Volume XLVIII 
Bulletin No. 19 
UNITED STATES 
GOVERNMENT PRINTING OFFICE 
WASHINGTON : 1936 
For sale by the Superintendent of Documents, Washington, D. C. 
Price 30 cents 
