Vol. XIV 

 1897 



I Nelson, Ne-v Birds from Mexico arid Gitateinala 



65 



At Coatzacoalcos they were rather common in the brush-grown 

 sand hills skirting the coast, during April and May, 1896. 

 Below are the measurements of five specimens of this form : 



Chlorospingus atriceps, new species, Black-crowned 

 Chlorospingus. 



7]v/e, No. 143613, U. S. Nat. Museum, Dept. Agric. colL, (J, Pinabete, 

 Chiapas, Mexico, February 9, 1896. Collected b^- E. W. Nelson and 

 E. A. Goldman (Orig. No. 3446). 



Distribution. — Heavily wooded mountain slopes of Chiapas, near the 

 Guatemalan border, on the Pacific slope. 



Description. — Feathers of pileum and ear-coverts very dark grayisii 

 with black tips, giving the surface a blackish shade slightly clouded with 

 grayish ; lores very dark grayish ; a black band from base of under man- 

 dible back to ear-coverts, along lower border of eye ; a short, white, post- 

 ocular streak ends above the ear-coverts ; sides of neck very dark ashy 

 brown ; remainder of dorsal surface, including exposed borders of closed 

 tail and wings, dark oil green ; throat dingy white spotted with numerous 

 black tips to feathers ; pectoral band light olive green ; flanks and under 

 tail-coverts a darker shade of same, nearly equalling color of back ; 

 abdomen dingy white ; under wing-coverts white. Dimensions : Wing 75, 

 tail 63, culmen 12, tarsus 22.5. 



This species is very similar in general appearance to C.pileatus 

 of Costa Rica but maybe distinguished at once by the absence of 

 the white superciliary line. 



9 



