Issued May 6, -1912. 



U. S. DEPARTMENT OF AGRICULTURE. 



FARMERS' BULLETIN 497. 



SOME^CQMMON_GAME_AQUATIC, 



IN 



RELATION TOMAN 



BY 



W. L. McATEE and F. E. L. BEAL, 



Assistants, Biological Survey. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1912. 



