N«l] Hi ales kmmwl 
Issued August 10, 
U. S. DEPARTMENT OF AGRICULTURE. 
BUREAU OF ANIMAL INDUSTRY— BULLETIN NO. 
A. D. MELVIN. Chief of Bureau. 
INDEX-CATALOGUE 
MEDICAL AND VETERINARY ZOOLOGY. 
PART 19. 
[Authors: Mitschein to Myrepsus.] 
CH. WARDELL STILES, Ph. D., 
Consulting Zoologist of Bureau of Animal Industry ; Zoologist of U. S. Public 
Health and Marine- Hospital Service. 
AND 
ALBERT HASSALL, M. R. C. V. S., 
Assistant in Zoology, Bureau of Animal Industry . 
WASHINGTON : 
GOVERNMENT PRINTING OFFICE, 
I907. 
