122 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Young male. — Above dark sepia brown, the middle and greater 

 wing-coverts tipped with ochraceous-buff or cinnamon, producing 

 two more or less distinct bands across wing, the lesser coverts with 

 a terminal triangular spot or streak of the same; under parts brownish 

 buff or pale dull tawny, passing dnto dull grayish brown on flanks and 

 under tail-coverts, the chest and breast spotted transversely with 

 black or dusky; bill dusky brown; legs and feet dull yellowish brown 

 (in dried skins). 



Highlands of southeastern Mexico, in States of Vera Cruz (Jalapa; 

 Orizaba), Oaxaca (Totontepec) and Chiapas (Pinabete; Tumbala), 

 and Guatemala (Vera Paz; Coban; ridge above San Geronimo; 

 Quezaltenango). 



Merula infuscata Lafresnaye, Rev. Zool., 1844, 41 (Mexico; type now in coll. 

 Bost. Soc. Nat. Hist.). 



T[urdus] infuscatus Gray, Gen. Birds, i, 1847, 219.— Sclater and Salvin, Ibis, i, 

 1859, 6 (Guatemala).— Sclater, Proc. Zool. Soc. Lond., 1859, 334 (monogr.; 

 Jalapa, Vera Cruz: Oaxaca; Guatemala), 362 (Jalapa), 370 (Totontepec, 

 Oaxaca); Cat. Am. Birds, 1862, 5 (Jalapa).— Baird, Review Am. Birds, 1864, 

 31 (Jalapa; Vera Paz, Guatemala). — Sumichrast, Mem. Bost. Soc. N. H., 

 i, 1869, 543 (temp, and alpine regions Vera Cruz).— Salvin and Godman, Biol. 

 Centr.-Am., Aves, i, 1879, 24 (Coban, ridge above San Geronimo, and Quezal- 

 tenango, Guatemala; Jalapa and mountains of Orizaba, Vera Cruz; Totonte- 

 pec, Oaxaca). 



[Turdus] infuscatus Bonaparte, Consp. Av., i, 1850, 275.— Gray, Hand-list, i, 

 1869, 258, no. 3769.— Sclater and Salvin, Nom. Av. Neotr., 1873, 2. 



Merula injuscatra Seebohm, Cat. Birds Brit. Mus., v, 1881, 240. 



[Semtmerula] infuscata Heine and Reichenow, Nom. Mus. Hein., 1890, 4 (Toton- 

 tepec, Oaxaca). 



[Merula] infuscatra Sharpe, Hand-list, iv, 1903, 118. 



PLANESTICUS PLEBEJUS (Cabanis). 

 CABANIS'S THRUSH. 



Adults (seoces alike). — Above plain olivaceous hair brown, the head 

 browner (nearly sepia), the rump and upper tail-coverts more oliva- 

 ceous; under parts light hair brown, slightly paler on center of abdo- 

 men, deepening on sides and flanks into nearly the color of the back, etc. ; 

 throat pale hair brown, indistinctly streaked with sepia brown ; feathers 

 of under parts in general with barely discernible narrow shaft-lines 

 of darker, seen only in certain lights; axillars and under wing-coverts 

 hair brown margined with cinnamon or tawny, the edges of inner 

 webs of primaries slightly tinged basally with the same; under tail- 

 coverts light grayish brown (hair brown) broadly margined with pale 

 brownish buffy and with a central wedge-shaped or sagittate area of 

 the same; bill blackish; iris brown; legs and feet brownish or dusky 

 brown. 



Adult maZ^.— Length (skins), 227-241 (232); wing, 128-142.5 

 (135.8); tail, 94-107 (101.3); exposed culmen, 20.5-22.5 (21.6); 

 tarsus, 31-35 (32.9); middle toe, 21.5-25 (23.1)." 



o Ten specimens. 



