24 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Highlands of southern Mexico, in States of Vera Cruz (Jalapa) 

 and Mexico (valley of Mexico), Guatemala (Coban; Teleman), Costa 

 Rica (Jimenez; Tucurrique; Volcan de Irazu; Volcan de Miravalles; 

 Bonilla; Turrialba), and Panama (Calovevora; Cordillera del Chucu). 



Malacocychla mexicana Bonaparte, Compt. Rend., xliii, 185G, 998 (Jalapa, Vera 

 Cruz, Mexico). 



Malacocichla vtexicana Sclater, Proc. Zool. Soc. Lond., 1857, 203 (Jalapa). — 

 ScLATER and Salvin, Ibis, 1859, 7 (Coban, Guatemala). 



Catharus mexicanus Sclater, Proc. Zool. Soc. Lond., 1859, 324 (monogr.); 1864, 

 172 (valley of Mexico); Cat. Am. Birds, 1862, 1 (Mexico; Vera Paz, Guate- 

 mala). — Baird, Review Am. Birds, 1864, 11 (Teleman, Guatemala). — Salvin, 

 Proc. Zool. Soc. Lond., 1866, 69 (Vera Paz, Guatemala; Tucurrique, Costa 

 Rica); 1870, 179 (Calovevora and Cordillera del Chucu Veragua). — Law- 

 rence, Ann. Lye. N.Y., ix, 1868, 90 (Costa Rica). — Frantzius, Journ. Mr 

 Orn., 1869, 289 (Costa Rica).— Sumichrast, Mem. Post. Soc. N. H., i, 1869, 

 542 (temp, region Vera Cruz). — Salvin and Godman, Biol. Centr.-Am., Aves, 

 i, 1879, 6, part, pi. 2, fig. 1 (localities in Mexico and Guatemala); Ibis, 1889, 

 234 (Jalapa, Vera Cruz; crit.). — Seebohm, Cat. Birds Brit. Mus., v, 1881, 

 286. — Cherrie, Proc. U. S. Nat. Mus., xiv, 1891, 517 (Jimenez, Costa Rica; 

 crit.). — Underwood, Ibis, 1896, 432 (Volcan de Miravalles,- Costa Rica). — 

 Chapman, Bull. Am. Mus. N. H., x, 1898, 19 (Jalapa; crit.). 



[^Clatharus] mexicanus Sclater and Salvin, Nom. Av. Neotr., 1873, 1. — Sharpe, 

 Hand-list, iv, 1903, 182. 



["rvrdns] mexicanus Gray, Hand-list, i, 1869, 259, no. 3784. 



CATHARUS MEXICANUS FUMOSUS (Ridgway). 

 SOOTY NIGHTINGALE THRUSH. 



Adult male. — Similar to C. m. mexicanus, but under parts much 

 darker, the chin and throat gray (nearly mouse gray), indistinctly 

 streaked with grayish white, the chest, breast, sides, and flanks rather 

 deeper mouse gray, tinged with olive ; upper parts colored as in Costa 

 Rican examples of G. m. mexicanus, but brownish olive (bister) of 

 back, etc., slightly deeper; length (skin), 155; wing, 90; tail, 60.5; 

 exposed culmen, 15; tarsus, 31; middle toe, 17.5.'* 



Highlands of Costa Rica (precise locality unknown). 



Catharus fumosus Ridgway, Proc. U. S. Nat. Mus., x, sig. 32, Aug. 6, 1888, 505 



(Costa Rica; coll. U. S. Nat. Mus.). 

 {Caiharusi fumosus Sharpe, Hand-list, iv, 1903, 182. 



CATHARUS FUSCATER HELLMAYRI Berlepsch. 

 HELLMAYR'S NIGHTINGALE THRUSH. 



Adults (sexes alike). — Above, including sides of head and neck, plain 

 deep blackish slate or slate-black; anterior and lateral under parts 

 plain slate-gray, the throat sometimes slightly paler, the flanks darker ; 



« One specimen, the type (no. 101765, coll. U. S. Nat. Mus., J. C. Zeledon; exact 

 locality unknown). Fresh, colors of this specimen are recorded by the collector as 

 follows: "Feet and legs, lemon yellow; biU and eyelids, orange-red; gonys [i. e., cul- 

 men], V)lack; iris, dark brown." 



