3: 
Issued July It;, 1910. 
U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF ANIMAL INDUSTRY— BULLETIN NO. 39. 
A. D. MELVIN, Craw of Bureau. 
INDEX-CATALOGUE 
OF 
MEDICAL AND VETERINARY ZOOLOGY. 
PART 28. 
[Authors: Sim to von Stenitzer.] 
BY 
CH. WARDELL STILES, Ph. D., 
Consulting Zoologist, Bureau of Animal Industry ; Professor of Zoology 
U. S. Public Health and Marine-Hospital Setince, 
AND 
ALBERT HASSALL, M. R. C. V. S., 
Assistant in Zoology, Bureau of Animal Industry . 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE 
19 I O. 
