U. S. DEPARTMENT OF AGRICULTURE 



DIVISION OF ORNITHOLOGY AND MAMMALOGY 

 BULLETIN No. 4 



THE 



PRAIRIE GROUND SQUIRRELS 



OR 



SPERMOPHILES 



OF THE 



MISSISSIPPI VALLEY 



PREPARED UNDER THE DIRECTION OF 



Dit. C. HART MERRIAM, Chief ov Division 



BY 



VERNON BAILEY 



CHIEF FIELD AGENT 



rUBLISHED BY AUTHOPvITT OF THE SECRETARY OF AGEICTJLTUEE 



"WASHINGTON 



GOVERNMENT PRINTING 0FFIC~J 

 1893 



