Bulletin No, 5. 



U. S. DEPARTMENT OF AGRICULTURE 



DIVISION OF ORNITHOLOGY AND MAMMALOGY 



THE 



POCKET GOPHERS 



UNITED STATES 



Prepared under the Direction of Dr. C. HART MERRIAM 



Chief of Division 



VERNON BALLEY 



Chief Field Agent 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



