U. S. DEPARTMENT OF COMMERCE 



DANIEL C. ROPER, Secretary 



BUREAU OF FISHERIES 



FRANK T. BELL, Commissioner 



Administrative Report No. 30 



PROGRESS IN BIOLOGICAL INQUIRIES 



1937 



By ELMER HIGGINS 



Appendix i to Report of Commissioner of Fisheries 

 for the fiscal year 1938 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON : 1938 



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



