3<n , 
Issued August 10, LOO* 
U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF ANIMAL INDUSTRY— BULLETIN NO. 39. 
A. D. MELVIN, Chief of Bureau. 
INDEX-CATALOGUE 
MEDICAL AND VETERINARY ZOOLOGY. 
PART 19. 
[Authors: Mitschein to Mvrepsus.] 
BY 
CH. WARDELL STILES, Ph. D., 
Consulting Zoologist of Bureau of Animal Industry; Zoologist of U. S. Public 
Health and Marine-Hospital Service, 
ALBERT HASSALL, M. R. C. V. S., 
Assistant in Zoology, Bureau of Animal Industry. 
eXS^M 
WASHINGTON : 
GOVERNMENT PRINTING OFFICE. 
IQOy. 
