10 CALIFORNIA ACADEMY OF SCIENCES. 



rounding, with one long hair and a few prickles; occip- 

 ital margin slightly sinuous; forehead whitish with 

 narrow brown antennal bands terminating at the suture; 

 a palely colored broad suture with straight posterior 

 margin and emarginated anterior border; whole hind 

 head light brown with occipital margin very narrowly 

 bordered with blackish brown. 



Prothorax quadrangular, posterior angles rounded, 

 with one hair, posterior margin flatly convex; whitish 

 with dark brown lateral borders extending inward along 

 the posterior margin. Metathorax angulated on abdo- 

 men, each latero-posterior side with nine long hairs 

 (including the one in the lateral angle); lateral borders 

 unevenly blackish brown; ground color of segment whit- 

 ish tinged posteriorly with light brown, this posterior 

 coloration interrupted by a median longitudinal whitish 

 line. Legs very pale brown. Sternal markings con- 

 sisting of distinct intereoxal lines, and faint traces of 

 light brown median blotches. 



Abdomen elongate-elliptical; a few longish hairs in 

 posterior angles, and numerous weak long hairs on 

 dorsal surface of segments in transverse series; ground 

 color whitish with distinct, narrow lateral bands, dark- 

 est on anterior segments, and light brown, quadran- 

 gular, transverse lateral blotches on all segments, the 

 two blotches of segment 8 meeting on the median line; 

 segment 9 feebly emarginate, with no hairs on the pos- 

 terior margin. 



Docophorus domesticus Kellogg. 



New Mallophaga, II, 1896, p. 475, pi. Ixv, fig. 4. 



A female and an immature specimen from the Black 

 Martin, Progne subis hesparus (Baja California). De- 



