U. S. DEPARTMENT OF COMMERCE 
HARRY L. HOPKINS, Secretary 
BUREAU OF FISHERIES 
CHARLES E. JACKSON, Acting Commissioner 
Administrative Report No. 35 

PROGRESS IN BIOLOGICAL INQUIRIES 
1938 
By ELMER HIGGINS 
APPENDIX I TO REPORT OF COMMISSIONER OF FISHERIES 
FOR THE FISCAL YEAR 1939 

UNITED STATES 
GOVERNMENT PRINTING OFFICE 
WASHINGTON : 1939 
For sale by the Superintendent of Documents, Washington, DCG= ==: - Price 15 cents 
