NEW MALLOPHAGA. 



I 49 



to the pale longitudinal line, and along anterior margin 

 not quite to this line; broad transverse bands extending 

 across each segment between the pale longitudinal lines; 

 last segment with three blotches and rounded, hair-fringed 

 posterior border. 



Colpocephalum laticeps n. sp. (Plate xii, fig. 8.) 



A single male specimen from an American Egret, Ardea 

 egretta (Lawrence, Kansas) . This small and well-marked 

 species cannot be referred to any one of the Colpocephali 

 described by Nitzsch from various species of Ardea. 



Description of male. Body, length 1.72 mm., width 

 .72 mm.; dark golden brown, abdomen with distinct 

 dark fuscous transverse bands. 



Head, length .31 mm., width .62 mm.; just twice as 

 wide as long; front broadly rounded with hairs on each 

 side of the middle, as follows: a very short one, another 

 and another, all some distance apart, and in the lateral 

 angle in front of the ocular emargination four, of which 

 two are long; the eye undivided but with a faint me- 

 dial emargination and with a single black fleck in it; the 

 ocular fringe not extending on the temporal margin ; this 

 margin with several short, fine, stiff hairs and three un- 

 evenly long pustulated ones; also a long pustulated hair 

 arising from nearly the center of the temporal region; 

 occipital margin not deeply concave, with four hairs; 

 color pale smoky brown, ocular blotch black, bordered 

 irregularly with dark smoky brown which extends back- 

 wards as an indication of occipital bands and forward as 

 a suggestion of inner bands; temporal margin narrowly 

 bordered with blackish brown ; occipital margin narrowly 

 bordered with black, widest along middle third of head. 



Prothorax comparatively long and narrow (the width is 

 always greater than the length among the Colpocephali), 



