48 Fleas of Eastern United States 



head globular and striated. For further details concerning the 

 structure of the female genitalia, see Plate VII, fig. 31. 



Records. ALABAMA — Dale County, March 30, 1937, on 

 "rabbit," female (R. E. Dyer) . GEORGIA— Newton, April 28, 

 1937, on Sylvilagus floridanus mediums (Thomas) , male. 

 IOWA — Osceola, December 16, 1935, on "cottontail rabbit," 

 male (G. S. Cantonwine) ; Ames, May, 1933, on same host, two 

 males, two females (R. L. Roudabush) ; Waukon, November 12, 

 1937, on Blarina brevicauda brevicauda (Say) , female (T. 

 Scott) . MARYLAND— Bowie, December 4, 1924, on Sylvilagus 

 floridanus mallurus (Thomas) , two females (A. Hassall) . 

 MASSACHUSETTS— W. Tisbury, June 9, 1936, on Sylvilagus 

 transitionalis (Bangs) , male and female (F. C. Bishopp) ; 

 Cohasset, February 29, 1924, on "cottontail rabbit," male and 

 female (J. D. Smith) ; Harvard, April 11, 1912, on same host, 

 male (J. L. Peters) . NORTH CAROLINA— Halifax, January 

 11, 1936, on "cottontail," male (E. B. Marshall); Pisgah Na- 

 tional Forest, March 8, 1936, on "bobcat," female; March 2, 

 1936, on "raccoon," female (J. H. Stone) . SOUTH CAROLINA 

 — Branchville, February 8, 1931, on "rabbit," female (W. E. 

 Dove and Schroeder) . 



Eastern hosts. Cottontail Rabbit (Sylvilagus floridanus 

 mallurus (Thomas) , etc.) , Short-tailed Shrew (Blarina brevi- 

 cauda brevicauda (Say) ) , "Bobcat," "Raccoon." 



Eastern localities. Alabama, Georgia, Iowa, Maryland, 

 Massachusetts, North Carolina, South Carolina, Virginia. 



Type material. Male holotype from Raleigh, North Carolina, 

 on "Lepus sylvaticus" in the United States National Museum. 

 Female allotype from Waukon, Iowa, on Blarina brevicauda 

 brevicauda (Say) , described above, in the Iowa State College 

 Collection. 



With Cediopsylla simplex (Baker) , this species is one of the 

 most abundant flea parasites of the rabbit. 



CERATOPHYLLUS CURTIS 

 Ceratophyllus Curtis, 1832, British Entomology, 9: 417. 



Genotype: Ceratophyllus hirundinus Curtis 



Eye well developed. Ocular bristle placed on a level with or 

 above the upper margin of the eye. Preantennal region of the 

 head with two rows of bristles of which the upper consists of 

 three to six, while the lower consists of three much longer 

 ones. Labial palpus not reaching beyond the apex of the fore 



