Issued May 27, lull. 
U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF ANIMAL INDUSTRY— BULLETIN No 39. 
A. I). MELVIN, Chu i • 
INDEX-CATAI.OGl"E 
MEDICAL AND VETERINARY ZOOLOGY. 
PART 34. 
[Authors: Werlhof to Xemard.] 
CH. WARDELL STILES, Ph. D., 
Consulting Zoologist, Bureau of Animal Industry; Professor of Zoology y 
U. S. Public Health and Marine-Hospital Service \ 
AND 
ALBERT HASSALL, M. R. C. V. S., 
Assistant Zoologist, Bureau of Animal Industry. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1911. 
