556 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adnltf,'/)iale.—~Length (skins), 127-129.5 (128.3); win^v, 75.4-77.2 

 (76.2); tail, 57.4-59.7 (60.7); exposed culinen, 8.9-9.6 (9.4); tarsus, 

 18.5-19 (18.8); middle toe, 11.9-J3.2 (12.7).' 



Dendroica nigrifrons Brewster, Descr. Sup. New Species Birds from Western N. 

 Am. and Mexico, Jan. 31, 1889, 94; Auk, vi, no. 2, Apr., 1889, 94 (Pinos 

 Altos, Chihuahua, Mexico; coll. W. Brewster); Auk,ix, 1892, j)]. 1. — [Ai.i.kn], 

 Auk, ix, 1892, 207.— Loomis, Auk, xviii, 1901, 109 (aiiricalma and IIiKi.liuca 

 Mts., H. Arizona, June). 



Mountains of southern Arizona (Chiricahua and Huachuco ranges) 

 and southward throuoh mountains of (^hihuahua to Durango (El Salto, 

 Jul}^; Cerro I'rieto, Sept.). 



DENDROICA AUDUBONI GOLDMANI (Nelson). 

 GOLDMAN'S WARBLER. 



Similar to D. a. iugrlfrons, but still darker. Adult male in winter 

 plumage with entire head (except 3'ellow crown patch, chin, and throat) 

 uniform deep ])lack; yellow crown-patch passing posterioi-ly into a 

 white occipital spot; chin and a large spot at posterodateral portion of 

 throat also white. 



Adult male. — Length (skin), 13!>.7; wing, 82.8; tail, <)<»,3; exposed 

 culmen, 10.2; tarsus, 19.8; middle toe, 14. ~ 



Highlands of western Guatemala (Hacienda Chancol, ,January 4). 



Dendruico goldinani Nelson, Auk, xiv, Jan., 1897, 06 (Hacienda Cliancol, Guate- 

 mala; coll. U. S. Nat. Mus. ). 



DENDROICA NIGRESCENS (Townsend). 

 BLACK-THROATED GRAY WARBLER, 



Throat black, or whitish with has(\s of feathers grayish dusky; sides 

 of head striped with white and l)la('k or white and grayish, the tirst as 

 a broad supra-auricular stripe and malar stripe (the former extending 

 anteriorly to above eyes, the latter extending to sides of neck); a 

 small yellow supraloral spot; under parts of bod}^ white, streaked 

 laterally with black or dusky; upper parts gray, with or without black 

 streaks on back; wing with two white bands. 



Adult male in sprtiuj and, suuimer. — Head uniform black, relieved 

 by a })road supra-auricular stripe of white (extending anteriorly to 

 above middle of eye), a small supraloral spot of yellow, and a broad 



' Four specimens. 



^ Measurements of the type specimen, the only one seen. 



