THE FLEAS OF NORTH AMERICA 83 



lateral plantar bristles and a basal, snbmedian, ventral pair. Fifth tarsal seg- 

 ment of leg III armed with 3 pairs of lateral plantar bristles and a basal, sub- 

 median, ventral pair. 



This genus is represented in North American by but one species. 

 Ctenophthalmus pseudagyrtes Baker 



(Fig. 9, B) 



Ctenophthalmus pseudagyrtes Baker, 1904, U. S. Natl. Mus. Proc. 27: 421, 

 pi. 11, figs. 7-12. 



Type host. — Geomys bnrsarhis (Shaw) (pocket gopher). 



Type locality. — Agricultural College, Mich. 



Range. — Eastern part of the United States. 



This species has been redescribed and figured by I. Fox (25, pp. Sip 

 and 11$). It is one of the most common fleas occurring in the eastern 

 part of the United States. 



The Genus Carteretta C. Fox 



(Fig. 10, A) 



Carteretta C. Fox, 1927, Amer. Ent. Soc. Trans. 53: 209. Monotypic. Type, 

 Carteretta carteri C. Fox. 



Frontal tubercle acuminate. Head divided by a fronto-epicranial groove. 

 Genal comb consisting of 3 spines, of which the first is overlapped and almost 

 completely covered by the second. Eyes pigmented, each with a ventral emargi- 

 nation. Labial palpus with 5 segments. Pronotum with a comb. Three ante- 

 pygidial bristles present on a side. Coxa III without a row or patch of spine- 

 lets on inner surface. Fifth tarsal segment of each leg with 4 pairs of lateral 

 plantar bristles and a basal, submedian, ventral pair. 



This genus includes but a single species. 



Carteretta carteri C. Fox 



(Fig. 10, A) 

 Carteretta carteri C. Fox, 1927, Amer. Ent. Soc. Trans. 53: 209. 



Type host. — Neotoma fuscipes Baird (wood rat). 



Type locality. — Los Angeles, Calif. 



Range. — Known only from California. 



The original description of this species was based upon a single 

 male specimen which is now in the United States National Museum 

 collection. Both the male and female were illustrated by Jellison 

 (36, p. k90) in 1940. 



The Genus Paratyphloceras Ewing 



(Fig. 9, C) 



Paratyphloceras Ewing 1940, Wash. Biol. Soc. Proc. 53: 35. Monotypic. Type, 

 Paratyphloceras oregonensis Ewing. 



Frontal tubercle small, angulate apically. Gena broad, truncate apically, with 

 an oblique comb of 5 or 6 pointed spines. Eyes absent. Labial palpus with 8 

 segments. Pronotum with a comb of long spines. Coxa 111 without a row or 

 patch of spinelets on inner surface. Fifth segment of tarsus II with 5 pairs of 

 lateral plantar bristles; fifth segment of tarsus III with 6 pairs of lateral 

 plantar bristles ; in each case first pair of plantar bristles not displaced. Abdom- 

 inal tergal plate VII of female produced into a short process between 2 groups 

 of antepygidial bristles. 



