PLATE LXXI. — Siphonaptera Fleas. 
a. Pulex cheopis. <$ 
b. Pulex felis, 
c. Ctenopsyilci musculi. <$ 
d. Pulex irritems, (J 
e. Ceratcphyllus fasciatus . 
f. Sarcopsylla gallinacca. £ 
% 
This plate is copied from The Journal of Hygiene, Vol. VIT, No. 3 
(Report on Plague Investigations in India). 
