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 16. 
[Authors: von Linden to Lyutkevich.] 
BY 
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., 
sistant in Zoology, Bureau of Animal Industry. 
i 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
