48 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



of slato-jrray; similar also to /'. c. caucx^ but darker color of posterior 

 undor parts loss decidedly black, much less extensive, and much less 

 abruptly contrasted with gray of abdomen, etc. 



Adults (sexes alil'e). — Above plain chestnut, deepeniui: into bay on 

 tail and fadinj: into more rufous-chestnut on upper back and hind- 

 neck, the pileum duller, often more or less tinged with gi-ayish brown; 

 remiges tipped with rather light grayish brown; tail bright bay, 

 fahitly glossed with purplish, broadly tipped with white and crossed 

 by a broad subterminal band of brownish black, the white tip 

 becoming gi-aduaUy (but not conspicuously) nannnver toward middle 

 rectrices; shafts of rectrices black, sometimes passing into dark 

 chestnut basally; chin, tliroat, and upper chest plain vinaceous- 

 cinnamon, gradually deepening laterally into nearly the color of 

 pileum and napo on sides of head and neck; breast, abdomen, and 

 sides plain gi-ay (no. 7 or no. 8) deepening into slate-gray on flanks, 

 thighs, and anal region, the imder tail-coverts black or slate-black, the 

 longer ones usually indistinctly tipped with whitish; under surface 

 of tail, anterior to the w^hite tip, uniform brownish black; bill, and 

 naked orbital space yellowish green to light ohve-green; iris carmine 

 red : legs and feet Hght bluish gray (in life). 



Young. — Similar to adults but middle rectrices without white tip 

 or subterminal black area, and other rectrices with the wliite tip 

 much narrower and not preceded (on upper surface) by a definite or 

 sharply defined black area; texture of plumage difierent (softer and 

 more lax) . 



Adult male.— Length (skins), 385-485 U-0) ; wing, 134-150.5 

 (146.4); tail, 233-309 (269.6); exposed culmen, 26-33 (29); tarsus, 

 30.5-41.5 (38.8); outer anterior toe, 21-27 (24.1). «• 



Adult /«7«rt7f.— Length (skins), 381-484 (422); wing, 138-161 

 (142.9); tail, 237-306 (272.8); exposed cuhnen, 27-31 (28.7); tarsus, 

 35-40.5 (37.2); outer anterior toe, 22-26 (24).<^ 



«» See page 47. 



6 Sixty-foiir specimens. 



c Thirty-six specimens. 



Localiiv. 



Outer 



anterior 



toe. 



u.uj:s. 



Two adult malos from southern Tamanlipas 



E ight adult males from Vera Crut 



Six adult males frvim Oaxaca 



One adult mae from Tab.'isco 



Ntneadult mlalesfrom Yucatan 



Three adult males frv^n Ch iapas 



Three adult males from uatemala 



Three adult males from British Hondimis 



Six adult males from Honduras 



Three adult males fa'>m Xicantgua 



Ten adult males from Costa Rica 



Ten adult males from eastern Panama (Canal Zone) 



24 



24.2 



25.1 



21 



24.2 



24.2 



23.7 



24 



24.2 



24.7 



23.9 



24 



