MOV 3 1917 



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HOUSE RATS AN0 M(^E 



DAVID E. LANTZ 



Assistant Biologist 



FARMERS' BULLETIN 896 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



Contribution from the Bureau of Biological Survey 

 E. W. NELSON, Chief 



Washington, D. C. October, 1917 



Show this bulletin to a neighbor. Additional copies may be obtained free from the 

 Division of Publications, United States Department of Agriculture 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1017 



