Issued July 5, 1910. 
U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF ANIMAL INDUSTRY— Bulletin No. 39. 
A. D. MELVIN, Chikf of Bureau. 
INDEX-CATALOGUE 
OF 
MEDICAL AND VETERINARY ZOOLOGY. 
PART 27. 
[Authors: Schoch to Silvestrini.] 
CH. WARDELL STILES, Ph. D., 
Consulting Zoologist, Bureau of Animal Industry; Professor of Zoology , 
U. S. Public Health and Marine-Hospital Service, 
AND 
ALBERT HASSALL, M. R. C. V. S 
Assistant in Zoology, Bureau of Animft 
!±t2^o$no^ 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE 
1910. 
