162 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



CHLOROSPINGUS SUMICHRASTI Ridgway. 

 SUMICHRAST'S CHLOROSPINGUS. 



Sioiilar to ('. opJithdhnlcKs^ but nmoh browner above (the pileum 

 even .slightly browner than in C. alhlteiiijxiridJx); throat distinctly 

 flecked with dusky; yellowish olive-green of cliest, etc., paler and 

 duller; upper chest pale buffy grayish l)rown. 



Adult male. — Pileum and hindn(>ck plain sepia brown, the sides of 

 neck paler, more hair l)rown; posterior portion of lores and su))- 

 orbital region very dark sooty ])rown, passing into deep sepia l)rown 

 on auricular region; a large, white, elongated postocular spot. in\-oi\'- 

 ing whole of upper and posterior half of lower eyelid; anterior por- 

 tion of lores dull white, continued narrowly and l)rokenly across 

 anterior portion of forehead; rest of upper parts plain greenish ()li\'e 

 (nuich l>r()wner than in ('. <)phfh(iliii!cii.s)\ malar region, chin, and 

 throat dull white, the first and last tinged witli pale brownish buffy 

 posteriorly, the liuffy tint of lower thi'oat passing into a pale laiff}" 

 grayish ])rown tint on upper chest; middle and lower throat distinctly 

 flecked with dusky, the flecks largest and most nmuerous laterally,, 

 below lower margin of malar region; chest, sides, flanks, and under 

 tail-coverts light yellowish <)li>'e, the first paler and tinged with pale 

 buffy brownish; breast and al)domen very pale gray, almost wliitt^ on 

 center of abdomen; bill blackish; legs and feet horn color (in dried 

 skins); length (skins), l;^)o.4; wing, 66.5; tail. r)6.4; depth of bill at 

 base, 5.3;^ tarsus, 2o..S; middle toe, 11.7." 



State of Vera Cruz, southeastern Mexico (Mount Azul. near 

 Orizaba). 



Chlorofip'niguK ophtJialmicui^ (not Atrcmon ophthalmicus Du Bus) Scmichrast, Mem. 



Bost. Soc. N. H., i, 1869, 549, part (temperate reg. Vera Cruz, part). 

 Chlurosphigiis svmirhrasii Ridgway, Proc. Wash. Acad. vSci., iii, Apr. 15, 1901, 150 



(IMount Azul, near Orizaba, Vera Cruz; coll. F. S. Nat. Mns. "). 



CHLOROSPINGUS ALBIFRONS Salvin and Godman. 

 WHITE-FRONTED CHLOROSPINGUS. 



Most like ('. .KumicJira.st)\ but postocular white spot smaller and 

 pointed, instead of 1)road and rounded, posteriorly; malar I'cgion, 

 chin, and throat but!' instead of white; chest bufi'y 3'ellow; pileum. 

 hindneck, and sides of neck uuich lighter brown, and back, etc.nuich 

 clearer (less brownish) olive-green. 



Adult female. — Pileum, hindneck, and sides t)f neck plain broccoli 

 brown, deeper on forehead and crown, paler on neck; anterior portion 



^Tip of maxilla broken off. 



^One specimen, the type; Xo. .H7511, U. S. Nat. Mus., Mount Azul, near Orizaba, 

 Vera Cruz, October, 1864; Prof. F. Sumichrast. 



