!V!.' 1910 



Issued April 30, 1910. 



U. S. DEPARTMENT OE AGRICULTURE. 



FARMERS' BULLETIN 396. 



THE MUSKRAT. 



BY 



DAVID E. LANTZ, 



Assista)it, Bureau of Biological Survey. 



WASHINGTON: 



GOVERNMENT PRINTING 



1910. 



OFFICE. 



