i 





UNITED STATES DEPARTMENT OF i4GRICULTURE 

 CIRCULAR No. 148 I ^ ■ 8> Dd * 



:iculture 



Washington, D. C. 



Rev • ed • 

 follows 



Issie&itovembef , 1930 



Refc 



Slightly revised May, 1934 



Parasites 



and Parasitic Diseases 



of Horses 



By 



BENJAMIN SCHWARTZ 



Senior Zoologist 



MARION IMES 



Senior Veterinarian 

 and 



WILLARD H. WRIGHT 



Associate Veterinarian 

 Zoological Division, Bureau of Animal Industry 



For sale by the Superintendent of Documents, Washington, D.C. . . . p r i ce iq , 



