h \ 3 G f 
( iMbed March 6, 1911. 
U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OP ANIMAL INDUSTRY— BULLETIN NO. 5?. 
A. I). MKI VIN, Ch»f or Bureau. 
INDEX-CATALOGUE 
OF 
MEDICAL AND VEfERlfAM ZOOLOGY. 
PART 33. 
[Authors: W to Werbitzki.] 
BY 
CH. WARDELL 5TILES, Ph. D., 
Consulting Zoologist y finnan of Animal Industry; /'rofcssor of Zoology, 
I '. S. Public Health and Marine- Hospital Service, 
ALBERT HASSALL, M. R. C. V. S., 
Assistant Zoologist, fijircau of Animal Industry . 
WASHINGTON: 
GOVE R X M E X T PRINTING OFFICE, 
I 91 I • 
