U.S. TREASURY DEPARTMENT 
PUBLIC HEALTH SERVICE 
National Institute of Health Bulletin No. 163 
(Continuation of Hygienic Laboratory Bulletin Series) 
December 1934 
KEY-CATALOGUE OF PARASITES 
i REPORTED FOR CARNIVORA 
(CATS, DOGS, BEARS, ETC,) 
WITH THEIR POSSIBLE 
PUBLIC HEALTH 
IMPORTANCE 
By 
C. W. STILES and CLARA EDITH BAKER 
UNITED STATES 
GOVERNMENT PRINTING OFFICE 
WASHINGTON : 1935 
For sale by tlie Superintendent of Documents, Washington, D.C. 
Price 20 cents 
