68 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



cinnamon or brownish buffy; rectrices grayish brown passing into 

 dull ochraceous-cinnamon or clay color on edges and tipped with a 

 paler tint of the same or dull buffy wliitish; a broad postocular 

 (supra-auricular) streak of buff or dull buffy whitish; auricular 

 region dark sooty brown, more or less distinctly streaked with buffy 

 brown or fulvous; suborbital, subauricular, and malar regions, lower 

 tliroat, and foreneck or upper chest varying from deep buff (fading into 

 paler buff or buffy white on chin and upper throat) to dull grayish 

 buffy, reUeved by a narrow malar streak of dusky; breast, sides, 

 flanks, abdomen, axillars, and under wing-coverts immaculate dull 

 white or grayish white; posterior flanks and under tail-coverts immac- 

 ulate buff; under surface of remiges deep grayish brown in middle 

 portion, lighter grayish brown or gray distally, abruptly white basally; 

 maxilla brownish (more or less deep), darker on culmen; mandible 

 lighter brown or duU yellowish; iris brown;" legs and feet horn 

 color in dried skins, horn blue in life." 



Young. — In general resembhng adults, but pileum sooty blackish, 

 each feather tipped with a transverse spot of buff; scapulars and 

 wing-coverts tipped with a transverse spot of buff, margined anteriorly 

 by a narrow subterminal bar of black; lower throat and chest some- 

 times with a few indistinct narrow bars of dusky; otherwise like 

 adults. 



Adult maZe.— Length (skins), 270-315 (285); wing, 110-127.5 

 (118.1); tail, 150-188 (168.5); exposed culmen, 18-23 (19.8); tarsus, 

 29.5-36 (33.5); outer anterior toe, 22.5-28 (24.7).^ 



Adult feTuale.— Length, (skins), 253-289 (273); wing, 107-123.5 

 (114.3); tail, 146.5-173 (158.8); exposed culmen, 16-19.5 (18.2); 

 tarsus, 31-34 (32.3); outer anterior toe, 23-25 (24.1).*' 



a N. Dearborn. 



b Twenty-nine specimens. 



c Nine specimens. 



Locality. 



MALES. 



Two adult males from Vera Cruz 



Two adult males from Tabasco 



One adult male from Guatemala 



One adult male from Honduras 



Seven adult males from Nicaragua 



One adult male from Costa Rica 



Six adult males from western Panama (Chiriqui and Veragua) . 



Nine adult males from eastern Panama (Canal Zone) 



Three adult males (T.n. nxvia?) from Colombia 



Four adult males ( T. n. nxvia?) from Venezuela 



One adult male ( T.n. nxvia?) from Margarita I 



Two adult males ( T. n. nxvia?) from Trinidad 



One adult male ( T. n. nsevia?) from Bolivia 



One adult male ( T. n. nxvia?) from southwestern Brazil 



(Chapada, Mattogrosso) 



Two adult males ( T. w. nxvia?) from Uruguay 



119 



120 



127.5 



122 



119.6 



121 



117.4 



114.8 



116.3 



109.1 



108.5 



108.7 



119 



113 

 112.7 



26.2 



25.7 



26 



26 



25 



24.5 



24.3 



24 



24.3 



23 



23.5 



22.5 



22 



21 

 22.7 



