52 M. A. Carnkcr 



rior portion ; two brownish patches in the posterior portion ; 

 coxal outlines, pitchy, showing through (not shown in the plate). 

 Legs long and stout ; femora much swollen, especially posterior 

 pair, and all with anterior margins brownish ; tibiae swollen api- 

 callV; with anterior and posterior edgings of brown; second joint 

 of tarsi long ; the whole concolorous with body, and having nu- 

 merous short marginal hairs ; a patch of short hairs on the dor- 

 sal surface of the posterior femora. 



Abdomen short, scarcely wider than m.etathorax and con- 

 stricted sharj^ly in the posterior portion; segments subequal in 

 length, with rounded lateral margins ; posterior angles with 

 three short spiny hairs ; narrow pitchy lateral bands on seg- 

 ments one to eight ; deep umber brown transverse bands on seg- 

 ments one to eight, extending inward about one-third the width 

 of the abdomen and scarcely broken at sutures ; ninth segment 

 pale clear brown with fringe of fine hairs on the flatly rounded 

 posterior margin ; one long hair in posterior angles of the eighth 

 segment and two on each side of ninth, a row of fine, pustulated 

 hairs on posterior margin of transverse bands, except on first 

 segment; median portion of abdomen pale, clear brown. 



A single female collected on Nyctidronins alhicolUs, at Pozo 

 Azul, Costa Rica, June, 1902. 



Colpocephalum luroris sp. nov., pi. VI, fig. 4 



Female. — Body, length 2.03 mm., width .y6 mm. ; clear tawny 

 brown, with the large abdomen completely obscured by con- 

 tinuous transverse bands. 



Head, length .43 mm., width .54 mm. ; front very much flat- 

 tened, sides sinuate ; ocular emargination large but shallow and 

 ocular fringe strong; eye large, obscured, protruding from the 

 emargination ; temples expanded laterall}'-, angulated behind, 

 rounded before, with three long hairs ; occipital margin concavo- 

 convex, with two hairs ; front with two hairs in median portion 

 and three at the lateral angles; palpi projecting by half of apical 

 segment ; two hairs before the ocular emargination ; two Icmg 

 pustulated hairs just within the ocular blotch ; an irregular, 

 brownish blotch along interior margin of ocular emargination, 



174 



