702 REPORT OF NEW JERSEY STATE MUSEUM. 



time the author had practically no material from the middle Atlantic 

 States. 



Family PULICID^. 



PULEX Linn. 



P. irritans Linn. The human flea. Not a native of New Jersey, but is 

 almost cosmopolitan, and specimens are occasionally found, brought 

 from more southern States. 



CTENOCEPHALUS Kol. 

 C. canis Curt. (Pulex serraticeps) The common cat and dog flea. 



CERATOPHYLLUS Curtis. 

 C. wickhami Baker. (Pulex howardi) One of the squirrel fleas. 



CTENOPHTHALMUS Kol. 

 C. pseudarytes Baker. A parasite on field mice. 



