UNITED STATES 
DEPARTMENT OF THE INTERIOR 
HAROLD L. ICKES, Secretary 
BUREAU OF FISHERIES 
CHARLES E, JACKSON, Acting Commissioner 
Administrative Report No. 39 
PROGRESS IN BIOLOGICAL INQUIRIES 
1939 
By ELMER HIGGINS 
APPENDIX I TO REPORT OF COMMISSIONER OF FISHERIES 
FOR THE FISCAL YEAR 1940 
UNITED STATES 
GOVERNMENT PRINTING OFFICE 
WASHINGTON : 1940 

For sale by the Superintendent of Documents, Washington, D.C. = - - = Price 15 cents 
