NEW MALLOPHAGA. 497 



hyemalis, and the Robin, Merula migrator/a, from Law- 

 rence, Kansas. 



It is allied to Nitzsch's densilimbus ( Fringilla cardu- 

 elis) (Giebel, Insecta Epizoa, p. 138), Piaget's deficiens 

 (Les Pediculines, Supplement, p. 23, pi. iii, fig. 3) from 

 Cyanapolius cooki, and other similar forms. 



Description of female. Body, length 1.62 mm., width 

 .41 mm. ; pale, with distinct narrow blackish brown lateral 

 bands and marginal head markings, and pale chestnut 

 median abdominal blotches. 



Head, length .37 mm., width .29 mm.; conical, with 

 narrow parabolic front, without hairs; trabecular very 

 small and uncolored but distinct; eye flat, with a fine 

 prickle, and another just at its posterior margin ; temporal 

 margins with one longish hair and two prickles; occipital 

 margin straight, bare; no signature; a longitudinal oral 

 fossa expanded laterally behind; whole head narrowly 

 bordered along; lateral margins with blackish brown, the 

 border turning angularly inward at antennal fossae; a pale 

 shield-shaped occipital signature showing through from 

 below. 



Prothorax narrow, quadrangular, with a single hair in 

 posterior angles ; narrow lateral blackish brown border, 

 most strongly colored in anterior and posterior angles. 

 Metathorax almost as wide as head, with flatly rounding 

 posterior margin, with six hairs along each lateral third 

 of this margin, a small transversal linear blackish blotch 

 in anterior angle, and a larger lateral irregular curving 

 blackish blotch in middle of lateral regions of segment. 

 Legs with pale brown ground color, mostly tinged with 

 translucent smoky brown and with darker marginal and 

 annular markings. 



Abdomen elongate, slender, subparallel- sided, not 

 tapering posteriorly until segment 8 is reached ; with short 



