]62 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



cr. Upper part--^ lirown, distinctly different from color of under partw. 



(/. Color of upper parts uniform (olive) from forehead to tail; under parts white 

 shaded with gray on chest and sides. {Myadcstes elisabcth.) 

 e. Browner, with larger and broader bill. (Cuba.) 



Myadestes elisabeth elisabeth (j). 172) 

 ee. Grayer, with smaller, narrower, and more pointed l)ill. (Isle of Pines, 



Cul)a.) ., Myadestes elisabeth retrusus (p. 173) 



d(l. Color of upper parts much grayer on jjileum (at least on forehead) than on 

 back; under parts gray, with or without white on throat and abdomen. 

 ('. Kump grayish or grayish olive, grayer than back; a white orbital ring; 

 throat and abdomen whitish. (Myadestes obscurus.) 

 f. Darker, with forehead not distinctly whitish, and whole back distinctly 

 olive-brown or brownish olive. (Mountains of eastern Mexico to high- 

 lands of Guatemala.) Myadestes obscurus obscurus (p. 166) 



jf. Paler, with forehead distinctly whitish and l^ack more or less grayish 

 medially or much paler and grayer olive. (Mountains of western 

 Mexico, including Tres Marias Islands. ) 



Myadestes obscurus occidentalis (p. 168) 



ce. Rump russet, concolor with back; no white orbital ring; throat and imder 



parts slate-gray, like rest of under parts. (Colombia to Venezuela and 



Bolivia. ) Myadestes ralloides ( extralimital) « 



bb. Throat and under tail-coverts rufous. 

 c. Upper parts slate color. 

 (/. Thighs slate-gray. 



e. Chin and anterior portion of malar legion chf stnut-rufous, like throat, or 

 with only a slight admixture of white; auricular region dark slate color 

 without white streaks; malar region mostly Ijlackish; larger, with tail 

 relatively longer (averaging longer than wing.) (Island of Jamaica and 



western portion of Haiti.) Myadestes solitarius (p. 174) 



ec. Chin or anterior portion of malar region (or both) extensively and con- 

 spicuously white, the posterior portion of malar region cinnamon- 

 rufous; auricular region clear slate color, narrowly streaked with white; 

 smaller, with relatively shorter tail (averaging shorter than wing). 

 {Myadestes genibarbis.) 

 f. Whole abdomen tawny-ochraceous, like under tail-coverts; chin less 

 extensively white, sometimes tinged with rufous. (Islands of Mar- 

 tinique, Lesser Antilles.) Myadestes genibarbis genibarbis (p. 175) 



ff. C)nly lower portion of abdomen tawny-ochraceous, the color paler; chin 

 more extensively white. 

 g. More white on chin and lateral rectrices; lower abdomen paler tawny- 

 ochraceous. (Island of Santa Lucia, Lesser Antilles.) 



Myadestes genibarbis sanctse-luciae (p. 176) 

 gg. Less white on chin and lateral retrices: lower al)domen deeper tawny- 

 ochraceous. 



aMuscipeta ralloides D' C^rbigny, Voy. Amer. Mcrid., Ois., "1839,'' 322. — Myiadestes 

 ralloides Sclater and Salvin, Exotic Orn., 1869, 53, pi. 27. — Myiadeetes ralloides Sharpe, 

 Cat. Birds Brit. Mus., vi, 1881, 375. — Ptilogonys griseiverUer Tschudi, Archiv. fiir 

 Naturg., 1844, 270.- — Myiadestes griseiventer Cabanis, Archiv. fiir. Naturg., 1847, 209. — 

 Myiadestes venezuelensis Sclater, Ann. iSI^at. Hist. ser. 2, xvii, 1856, 468; Baird, Rieview 

 Am. Birds, 1866, 427. 



This species evidently requires subdivision, but 1 have not the material necessary 

 f(->r so doing. 



