230 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



often throwing off indistinct darker bars across the lighter colored 

 lateral portions. A broad and sharply detin-xl superciliary stripe of 

 buffy or dull whitish; immediately beneath this a broad and conspicu- 

 ous band of l)lack, involving the lores and su))orbital and auricular i 

 regions, the lower posterior portion of the last streaked with whitish; i 

 malar region, chin, upper throat, and middle of belly dull whitish, . 

 shading into light brownish gray on other under parts; under tail- 

 coverts (sometimes tlanks, also) streaked with dusky. Bill black. 



j^^^^^^. —Essentially like adults, but under parts dull buffy whitish, , 

 with the lower throat, upper chest, and sides of chest narrowly streaked ;; 



with dusky. 



ArluU male.— length (skins), 154.94-171.45 (162.05); wing, 75.69-- 

 81.79 (78.74); tail, 67.31-73.15 (70.36); exposed culmen, 14.73-15.49 f 

 (15.24); depth of bill at base, 8.89-10.16 (9.65); tarsus, 23.37-27.94 

 (25.65); middle toe, 16.51-20.32 (18.80).^ 



Ad»IffenwJr.—l.eug{h (skins), 144.78-160.02 (154.69); wing, 73.66- - 

 80.77 (75.9.5); tail,* 63.50-70.61 (67.31); exposed culmen, 13.21-15.49 

 (14.73); depth of bill at base, 9.65-10.16 (9.91); tarsus, 24.89-27.43 

 (25.91); middle toe, 17. 53-19. Si (IS. 54).' 



Mexican plateau, from States of Vera Cruz (Perote), Puebla, Hidal- 

 go, Tlaxcala, Morelos, Mexico, Michoacan, and northern Jalisco tO( 

 northern Chihuahua (Colonia Garcia, Guachochi, Guadalupe y Calvo, 

 etc.) and northeastern Sonora (Bavispe River and Pacheco). 



Aimophila :^vperciUosa Sw.vixsox, Classif. Bir.ls^, ii, 1S37, 287; Anim. in Menag., , 

 18:^8, 314 (Mexico; coll. W. Swainson).— Sumrhrasst, Mem. Bost. Soc. N. H., 

 i, 1869,551 (upper alpine reg. Vera Cruz, 3,000-4,000 meters).— Stone, Proc. 

 Ac. Nat. Sci. Phila., 1890, 215 (Chalchicomula, Vera Cruz).— Allex, Bu^I 

 Am. Mus. N.H.,v, 1893, 39 (Bavispe R. and Pacheco, n. e. Sonora).— Co#? 

 Auk, xii, 1895, 357 (Mount Orizaba, up to 11,000 ft.).— Chapman, Bull. Am. i 

 Mus. N. H., X, 1898, 41 (Las Vigas, Vera Cruz, 8,000 ft. ; habits). 

 A.l'niinpJiila'] superciliosa Bonaparte, Consp. Av., i, 1850,486. 

 [incmophila] .wp<'re*7/o.?« Sclater and S.\lvin, Nom. Av. Neotr., 1873, 33.^ 

 HaiuophihiKupercillosa Salvin and Godman, Biol. Centr.-Am., Aves, i, 1886, 395,1 

 pi. 30, fig. 1 (Ciudad, Durango); Ibis, 1889, 239 (environs of Mexico, neari 

 Pueblo; Popocatepetl, 10,000-12,000 ft.; Cofre de Perote, Vera Cruz; Sam 

 Luis Potosi; Aguas Calientes; Durango).— Sharpe, Cat. Birds Brit. Mus.,' 

 xii, 1888, 722. 

 lEmbernagra'] superciliosa Gray, Hand-list, ii, 1870, 91, no. 7344. 

 ffiemophila rnfcscens (not PipHo nifescens Swainson) Sclater, Cat. Am. I>in^t 

 1862, 118, part. 



Genus AIMOPHILA Swainson. 

 Ainwphlla Swainson, Classif. Birds, ii, 1837, 287. (Type, PipHo «r/>«'t'm- Swainson? 

 Haemophila (emendation) Cabanis, Mus. Hein, i, Apr., 1851, K-52. 

 Hxmophila (emendation) Sci.ater, Proc. Zool. Soc. Lond., 1858, 98. 

 Peuca^a' Audubon, Synopsis Birds N.Am., 1839, 112. (Type , FrlngiUa bachmami> 

 Audubon.) % 



'Ten specmiens. 



''•'Name from TtsvKi/. a i)ine. 



