NEW MALLOPHAGA. 1 45 



the posterior margin of the emargination as a narrow 

 black border, and still more narrowly and unevenly mar- 

 gining the temporal region; the inner bands indistinct, 

 chestnut brown. 



Prothorax broad (three-fourths as broad as head) , short, 

 posterior border rounded with a series of seven strong 

 hairs beginning in the apex of the lateral angle ; color 

 pale yellowish brown. Metathorax short, broad, expand- 

 ing rapidly posteriorly, anterior angles rounded, posterior 

 angles produced, acute, with a short spine and a strong, 

 long hair which is the terminal one of a series ranged 

 along the straight posterior margin of the segment; sides 

 bare. Color of prothorax light brown with a harrow dark 

 brown or black uneven marginal blotch and a broad and 

 transverse band of fuscous. Legs concolorous with body, 

 with dark fuscous markings. 



Abdomen broadly ovate, posterior angles of segments 

 slightly projecting with one or two strong hairs and adja- 

 cent short ones ; a series of strong hairs along posterior 

 margin of each segment, and numerous other shorter 

 hairs ; each segment except last with a lateral marginal 

 curving black blotch produced inwardly; also a trans- 

 verse fuscous band extending entirely across each seg- 

 ment paler medially and darker on segments 7 and 8; 

 ninth segment large, broad, rounded behind, posterior 

 margin with two pairs of strong hairs on each side of 

 the middle, whole segment uniformly fuscous. 



Colpocephalum timidum n. sp. (Plate xii, fig. 6.) 



Two females from a Golden Plover, Charadrius domin- 

 ions Lawrence, Kansas. The new species resembles 

 ochraceum Nitzsch (Germar's Mag. Entomol., 18 18, vol. 

 iii, p. 299), somewhat. 



Description of female. Body, length 1.94 mm., width 



Proc. Cal Acad. Sot., 2d Ser., Vol. VI. ( 10) March 14, 1896. 



