\'ol. xxii] 



EXTOMOLOGICAL NEWS. 



445 



A New Flea, Ctenophthalmus Heiseri spec. nov. 



(Siphonaptera). 



By George \Y. McCoy, 



Passed Assistant Surgeon, U. S. Public Health and Marine 



Hospital Service, San Francisco, California. 



Ctenophthalmus heiseri sp. n. 



Female. Head. — Occiput is very gently rounded, and forms with 

 the front of the head a distinct angle at which the occiput slightly 

 overlaps the anterior margin. A row of five large bristles is found 

 extending from just in front of and below the upper extremity of 

 the antennal groove to the insertion of the maxillary palpi. Two 



or three bristles are found about one-third of the distance from 

 the posterior margin of the occiput ; the upper near the midline, 

 the lower further forward and about midway to the upper end of 

 the antennal groove. Posterior to these is a row of about five 

 bristles extending slightly forward ; the lower being about midway 

 between the upper extremity of the antennal groove, and the pos- 

 terior border of the occiput. The posterior inferior curved margin 



