106 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Tardus Jiaviroslrls Sclater, Pruc. Zuul. Sue. Lond., 1859, 332 (nionogr. ; w. 

 Mexico; "Lower California;" "Monterey"). — Baird, Review Am. Birds, 

 1864, 31 (Colima; Tehiiantepec). — Sclater and Salvin, Prof. Zool. Soc. 

 Lond., 1870, 550 (San Juan del Rio, Oaxaca). — Grayson, Proc. Best. Soc. 

 N. H., xiv, 1871, 276, part (Mazatlan; Bendaras Bay). — Lawrence, Mem. 

 Bost. Soc. N. H., ii, 1874, 266, part (Mazatlan; Plains of Colima); Bull. 

 U. S. Nat. Mus., no. 4, 1876, 11 (Tohuantepec City, Nov.).— Salvin and 

 Godman, Biol. Centr.-Am., Aves, i, 1879, 21, part, pi. 3, fig. 1 (excl. loc. 

 Tres Marias).— Seebohm, Cat. Birds Brit. Mus., v., 1881, 225, part (excl. 

 loc. Tres Marias). — Salvin, Proc. Zool. Soc. Lond., 1883, 419 (Acapulco, 

 Guerrero). 



[T}irdus\ flavirostris Gray, Hand-list, i, 1869, 257, no. 3748. — Sclater and 

 Salvin, Nom. Av. Neotr., 1873, 2.— Sharpe, Hand-list, iv, 1903, 121. 



[Phmestictis] flavirostris Heine and Reichenow, Nom. Mus. Hein., 1890, 4. 



Tvrdus rufo-palliatus Lapresnaye, Rev. Zool., 1840, 259 ("Monterey, Cali- 

 fornia;" type now in coll. Bost. Soc. Nat. Hist.). 



Tliirdus} rufo-palliatus Gray, Gen. Birds, i, 1847, 219. 



Turdus paUiatus Bonaparte, Consp. Av., i, 1850, 272 (Mexico). 



PLANESTICUS GRAYSONI (Ridgway). 

 TRES MARIAS ROBIN. 



Similar to P. jiavirostris , but very iniich ])alpr and duller in color 

 and with larger bill and longer tarsi. 



Adult male. — Head and neck (except malar region, chin, and 

 throat) dull brownish gray, the forehead and crown slightly browner, 

 or tinged with brown; lores dusky; feathers of ainnciilar region with 

 very narrow shaft-streak of whitish; back and scapulars light oliva- 

 ceous wood brown to hair brown, not conspicuously different from 

 color of hindneck, the wing-coverts similar, but brighter (more cin- 

 namomeous wood brown) ; rump, upper tail-coverts, and remiges 

 smoke gray or mouse gray, the rump and secondaries faintly tinged 

 with olive; tail darker gray with outer webs lighter gray (like upper 

 tail-coverts) ; malar region, chin, and throat white, narrowly streaked 

 with dusky, the upper chest similarly streaked on a buffy, grayish 

 ground; chest and breast pale buffy gray, deepening on sides and 

 flanks into buffy wood brown or clay color; axillars and under wing- 

 coverts ochraceous-buff or orange-buff; abdomen, hinder flanks, 

 anal region, and under tail-coverts white, the last with concealed 

 basal portion partly light gray; bill yellowish, more or less exten- 

 sively horn colored or dusky terminally; iris brown; legs and feet 

 light yellowish brown (in dried skins) ; length (skins) , 242-245 (243) ; 

 wing, 121.5-130 (126.2); tail, 96-102.5 (99.4); exposed culmen, 22-23 

 (22.6); tarsus, 33-35 (34); middle toe, 20.5-21.5 (21.1). « 



Adult female. — Very similar to the adult male and often not dis- 

 tinguishable, but usually (?) very slightly duller in color; length 

 (skins), 235-245 (240); whig, 121-127.5 (124.1); tail, 95.5-102 



« Four specimens. 



