U.S ee PARI MENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
BULLETIN No. 7. 
Stgse 3 
PEDICULI] AND MALLOPHAGA 
AFFECTING 
MAN AND THE LOWER ANIMALS. 
BY 
PROF. HERBERT OSBORN. 
(PUBLISHED BY THE AUTHORITY OF THE SECRETARY OF AGRICULTURE.) 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
13 'Qtee 
