Vol. tT NeELson, New Birds from Mexico and Guatemala 65 
1897 
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 : 
a 
= | 
a | 
Ga) ; : ; 
ZZ, F Locality. Date. Collector. ie g F 
. ; oh 5 = = 
mA bo j a | 2 £ 
. = my -— ae s va 
=) Oo |n Sle] O a 
144301 | 3690°| f | Coatzacoalcos. | Apr. 14, 1896.| Nels. and Gold. | 92 | 105| 20 | 26 
| 
144302 3682 oA “ ac 135 “c “cc “ “ce | g2 103 19 26.5 
| 
144303 | 3693 | F e Sines bie ep asae, Hae 85 95 |\f 19 | 25 
| 
144305 | 3714 | 3 Minatitlan. LO eye) ec eo dae lr Se go 99| 19 26 
144304 | 3703 2 a9 « 20, ce a3 “ “ 8s 98 20 25 
Chlorospingus atriceps, new species, BLACK-CROWNED 
CHLOROSPINGUS. 
Type, No. 143613, U. S. Nat. Museum, Dept. Agric. coll., ¢, Pinabete, 
Chiapas, Mexico, February 9, 1896. Collected by 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. 
Descripftion.— Feathers of pileum and ear-coverts very dark grayish 
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. pzleatus 
of Costa Rica but may be distinguished at once by the absence of 
the white superciliary line. 
9 
