556 BULLETIW 50, UNITED STATES NATIONAL MUSEUM. 



Adult feumle.— Length (skins), 127-129.5 (128.3); wing, 75.4^-77.2 

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

 18.5-19 (18.8); middle toe, 11.9-13.2 (12.7).' 



Dendroica nigrifrons Bkewster, 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, pi. 1. — [Allen], 

 Auk, ix, 1892, 207. — LooMis, Auk, xviii, 1901, 109 (Chiricahua andHuachuca 

 Mts., a. Arizona, June). 



Mountains of southern Arizona (Chiricahua and Huachuco ranges) 

 and southward through mountains of Chihuahua to Durango (El Salto, 

 July; Cerro Prieto, Sept.). 



DENDROICA AUDUBONI GOLDMANI (Nelson). 

 GOLDMAN'S WARBLER. 



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

 plumage with entire head (except yellow crown patch, chin, and throat) 

 uniform deep black; yellow crown-patch passing posteriorly into a 

 white occipital spot; chin and a large spot at postero -lateral portion of 

 throat also white. 



Adult male. — Length (skin), 139.7; wing, 82.8; tail, 66.3; exposed 

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



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



Dendroico guldmani Nelson, Auk, xiv, Jan., 1897, 66 (Hacienda Chancol, Guate- 

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



DENDROICA NIGRESCENS (Townsend). 

 BLACK-THROATED QRAY WARBLER. 



Throat black, or whitish with bases of feathers grayish dusky; sides 

 of head striped with white and black or white and grayish, the first 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 body 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 spring and summer. — Head uniform black, relieved 

 by a broad 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. 



