26 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



CATHARUS OCCIDENTALIS OCCIDENTALIS (Sclater). 

 RUSSET NIGHTINGALE THRUSH. 



Adults (sexes alike) . — Pileum and hindneck uniform deep russet (or 

 between russet and mars brown) ; remainder of upper parts similar, 

 but more olivaceous (varying from slightly olivaceous russet to nearly 

 raw-umber brown), the upper tail-coverts and tail, however, always 

 more rufescent than back; sides of head and neck light olive-brown or 

 buffy olive; chin and throat dull buffy whitish, gra3dsh white, or pale 

 buff, the latter (at least lower portion) usually obsoletely streaked 

 with pale grayish brown or olive; chest pale buffy olive, obsoletely 

 streaked or spotted with darker; sides and flanks pale grayish olive; 

 maxilla dark brown or blackish, with paler tomia ; mandible yellowish 

 basally, the terminal half (more or less) dusky; iris brown; legs and 

 feet pale brownish or dull yellowish (m dried skins). 



Young. — Above russet or rufescent brown, the feathers of pileum, 

 hindneck, and back, scapulars, and smaller wing-coverts with mesial 

 streaks or guttate spots of light tawny; under parts, except abdomen, 

 pale buffy, the feathers of chest, breast, and sides tipped with olive or 

 olive-brown, forming transverse spots or bars. 



Adult male.— Length, (skins), 162-170 (166); wing, 89.5-90.5 (90); 

 tail, 77.5-78 (77.7); exposed culmen, 13.5; tarsus, 30.5-32.5 (31.5); 

 middle toe, 17.5-18.5 (18) .« 



Adultjhnale.— Length, (skins), 150-168 (160); wing, 75-84.5 (81.4); 

 tail, 60-73 (68.3); exposed culmen, 14-15.5 (14.7); tarsus, 30-33 

 (31.5); middle toe, 16.5-18.5 (17.7).^ 



Mountains of southeastern Mexico, in States of Vera Cruz (Orizaba), 

 Puebla (Sierra Madre near Zapotitlan; Mount Orizaba), and Oaxaca 

 (Totontepec; Mount Zempoaltepec) . 



Catharus occidentalis Sclater, Proc. Zool. Soc. Lond., 1859, 323, 370 (Totontepec, 

 Oaxaca; coll. P. L. Sclater); Ann. and Mag. N. H., (3), iv, 1859, 400; Cat. 

 Am. Birds, 1862, 1 (Totontepec).— Baird, Review Am. Birds,' 1864, 8 (Ori- 

 zaba, Vera Cruz). — Salvin, Proc. Zool. Soc. Lond., 1866, 69 (s. Mexico). — 

 SuMicHRAST, Mem. Bost. Soc. N. H., i, 1869, 542 (alpine reg. Vera Cruz). — 

 Lawrence, Bull. U. S. Nat. Mus., no. 4, 1876, 11 (Sierra Madre near Zapotit- 

 lan, Puebla, Jan.). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1879, 

 4.— Seebohm, Cat. Birds Brit. Mus., v, 1881, 291. 



[Catharus] occidentalis Sclater and Salvin, Nom. Av. Neotr., 1873, 1. — Sharpe, 

 Hand-list, iv, 1903, 181. 



[Turdus] occidentalis Gray, Hand-list, i, 1869, 259, no. 3776. 



« Two specimens. & Five specimens. 



