U. S. DEPARTMENT OF AGRICULTURE 



DIVISION OF ORNITHOLOGY AND MAMMALOGY 

 BULLETIN No. 4 



THE 



PRAIRIE GROUND SQUIRRELS 



OB 



SPERMOPHILES 



OF THE 



MISSISSIPPI VALLEY 



PREPARED UNDER THE DIRECTION OF 



Dr. C. HART MERRIAM, Chief of Division 



BY 



VERNON BAILEY 



CHIEF FIELD AGENT 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 



WASnrNTrTOlT 



GOVERNMENT PRINTING- OFFICE 



1893 



