BIEDS OF NORTH AND MIDDLE' AMEEICA. 29 



CATHARUS FRANTZII ALTICOLA (Salvin and Godman). 

 SALVIKS NIGHTINGALE THRTISH. 



Similar to C. f. frantzii, but larger; back, etc., more olivaceous 

 brown, strongly contrasted with the russet of pileum and hindneck; 

 gray of under parts deeper, less tinged with olive, especially on chest. 



Adult male.— hQYigih (skins), 161-177 (170); wing, 82.5-89.5 (87); 

 tail, 67-77 (73.7); exposed culmen, 13.5-15 (14.5); tarsus, 33.5-35.5 

 (34.6); middle toe, 18.5-20 (19.2). « 



Highlands of Guatemala (Duenas; Volcan de Fuego, 6,000 to 10,000 

 feet; Volcan de Santa Maria) and Chiapas (Pinabete). 



Catharus frantzii (not of Cabanis) Salvin, Ibis, 1866, 190 (Duenas, Guatemala; 

 crit). 



{Catharus] frantzii Sclater and Salvin, Nom. Av. Neotr., 1873, 1, part (Guate- 

 mala) . 



Catharus alticola Salvin and Godman, Biol. Centr.-Am., Aves, i, sig. 1, Sept., 

 1879, 3 (Volcan de Fiiego; coll. Salvin and Godman). — Reichenow and 

 ScHALOW, Journ. fiir Orn., 1880, 206 (reprint of orig. descr.). — Seebohm, Cat. 

 Birds Brit. Mus., v. 1881, 291. 



[Catharus] alticola Sharpe, Hand-list, iv, 1903, 181. 



Catharus frantzii alticola Nelson, Auk, xv, Apr., 1898, 161 (Volcan de Santa 

 Maria, Guatemala; Pinabete, Chiapas). 



CATHARUS FRANTZII OMILTEMENSIS Ridgway. 

 OMILTEME NIGHTINGALE THRUSH. 



Similar to O.f. alticola, but under parts decidedly j)aler, with whole 

 throat whitish and white of abdomen purer and more extended. 



Adult male. — Length (skin), 163.5; wing, 86.5; tail, 71; exposed 

 culmen, 14.5; tarsus, 33.5; middle toe, 19. '' 



Mountains of Guerrero (Omilteme), southwestern Mexico. 



Catharus frantzii omiltemensis Ridgway, Proc. Biol. Soc. Wash., xviii, Oct. 17, 

 1905, 213 (Omilteme, Guerrero, Mexico: coll. V. 8. Nat. Mus.). 



CATHARUS MELPOMENE MELPOMENE (Cabanis). 

 NIGHTINGALE THRUSH. 



Adults (sexes alike). — Above plain russet-brown (varying from be- 

 tween tawny-olive and raw umber to cinnamon-brown) , the upper tail- 

 coverts and tail more rufescent (cinnamon-brown to russet) ; sides of 

 head similar but paler, the lores grayish; chin and throat dull white, 

 obsoletely streaked with pale brownish gra}^; chest, sides, and flanks 

 light brownish gray, usiuxlly more or less tinged with pale olive-brown; 

 abdomen, anal region, and under tail-coverts white, the last sometimes 

 faintly tinged with buff; bill sometimes entirely A^ellowish, but usually 

 the maxilla brownish, darker (sometimes nearly black) on culmen, 

 paler and more yellowish on tomia, the mandible always yellowish 



a Eight specimens. I have not seen a female of this form. 

 & One specimen, the type. 



