1G8 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Highlands of eastern Mexico, in States of Nuevo Leon (^Fonterey;'^ 

 Cerro de la Silla'^), San Luis Potosi,^ Hidalgo (El Chico), Vera Cruz 

 (Jalapa; Orizaba; jSIirador; Teocelo; Jico), Puebla (Teziutlan), Mexico 

 (Amecameca"), Morelos (Huitzilac), Guerrero (OmiUcme; mountains 

 near Tulancingo), Oaxaca (Tlapancingo ; Totontepec; La Parada; 

 Yoletepec), and Chiapas (Pinabete), and Guatemala (San ]\Iarco; 

 Nebaj, Department of Quiche; A\)lcan de Fuego; Cerro de Zunil; 

 Quezaltenango ; vSan Geronimo ; Tactic). 



Myadestes obscurus Lafresnaye, Rev. Zool., ii, April, 1839, 98 (Mexico; type 

 now in coll. Bost. Soc. N. H). — Stejneger, Proc. U. S. Nat. Mus., iv, 1882, 

 871 (crit.; Orizaba, Vera Cruz; Volcan de Fuego, Guatemala). — Ridgway, 

 Proc. U. S. Nat. Mus., ix, 1886, 1.33 (Teziutlan, Puebla; crit.). 



M[ijadest£s] obscunts Ridgway, Man. N. Am. Birds, 1887, 573. 



Mijiadeslcs obsacrus Sclateu, Proc. Zool. Soc. Lond., 1850, 300 (Guatemala); 

 1857, 5, 213 (Orizaba, Vera Cruz); 1858, 302 (La Parada, Oaxaca); 1859, 364 

 (Jalapa, Vera Cruz), 376 (Totontepec, Oaxaca; descr. eggs); Cat. Am. Birds, 

 1862, 47 (Jalapa; Guatemala). — Rclater and Salvin, Ibis, 1859, 14 (Guate- 

 mala; descr. song); Exotic Orn., pt. iv, 1867, 49, pi. 25. — Baird, Review 

 Am. Birds, 1866, 430, part (Orizaba; Volcan de Fuego, Guatemala). — 

 SuMicHRAST, Mem. Bost. Soc. N. H., i, 1869, 548 (alpine reg. Vera Cruz). — 

 Baird, Brewer, and Ridgway, Hist. N. Am. Birds, i, 1874, 409, part.— 

 Ch.\pman, Bull. Am. Mus. N. H., x, 1898, 21 (Jalapa; habits; song). 



M[yiadestes\ obscurus Cabanis, Mus. Hein., i, 1850, 54 (Jalapa). — Baird, Brewer, 

 and Ridgway, Hist. N. Am. Birds, i, 1874, 409, part. 



\_M)iiadestes'\ obscurus Bonaparte, Consp. Av., i, 1850, 336. — Sclater and Salvin, 

 Nom. Av. Neotr., 1873, 4, part. 



Myiadectes obscurus Salvin and Godman, Biol. Centr.-Am., Aves, i, 1879, 40, 

 part (Real Ariba?; Orizaba and Jalapa, Vera Cruz; La Parada, Yoletepec, 

 and Totontepec, Oaxaca; Volcan de Fuego, Cerro de Zunil, Quezaltenango, 

 San Geronimo, and Tactic, Guatemala). — Sharpe, Cat. Birds Brit. Mus., 

 vi, 1881, 373, part.— Salvin, Cat. Strickland Coll., 1882, 61 (Guatemala). 



[Myifdfstes] obscurus Sharpe, Hand-list, iv, 1903, 113. 



P[tiJocionys] obscurus Gray, Gen. Birds, i, 1846, 281. 



[Ptilogonys] obscums Gray, Hand-list, i, 1869, 366, no. 5574. 



iMyiudesfcs] civsi.iis Lichtrnstetn, Nomencl. Av. Mus. Berol., 1854, 20 (Mexico; 

 nomen nudum!). 



MYADESTES OBSCURUS OCCIDENTALIS Stejneger. 



JALISCAN SOLITAIRE. 



Similar to M. o. ohscurus, but coloration paler and grayer; gray of 

 pileimi, etc., nearer ash gray than slate color, with forehead more 

 or less extensively whitish; back grayish olive or olive-grayish; 

 rump gray or slightly olivaceous-gray; gray of under parts paler and 

 purer, the sides and flanks nuich less strongly (often not at all) 

 tinged with olive. 



a Specimens from these localities are intermediate lietween M. o. obscurus and M. a. 

 occidentahs. 



b No specimens sptm l)y luc or recorded from San Luis Potosi, ])Ut the form neces- 

 sarily occurs there. 



