104 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



fuscous (possibly dependent on fading in the latter color), the 

 elongated inner secondaries margined with mummy brown; lower 

 back and rump feathers dark chaetura drab broadly margiaed with 

 mummy brown and very sparsely, or not at all, marked with fine 

 small white spots; upper tail coverts like the rump but with many 

 and larger white spots on their edges; rectrices dark chaetura black, 

 slightly margined with mummy brown; lores, circumocular area, 

 cheeks, auriculars, chin, and throat white finely speckled with gray- 

 ish chaetura drab, very thickly and abundantly speckled on the sides 

 of the head, very sparingly on the chin and throat which are very 

 distinctly whiter; breast feathers chaetura black with broad postero- 

 lateral white spots (but not with a continuous white terminal band, 

 the spots not confluent) , giving an appearance of longitudinal black- 

 ish and white marks almost suggesting striping ; feathers of abdomen 

 chaetura black barred very broadly, especially terminally with 

 white, the subterminal black area not reaching the edges of the feather 

 and so forming a broad spot in the white terminal portion of the 

 feather, this black spot approximating a complete transverse bar 

 more in the posterior part of the abdomen ; flanks, sides, and thighs 

 dark chaetura black banded regularly with white, the white bars 

 usually narrower than the black ones, widest on the flanks, narrowest 

 on the thighs; under tail coverts white, the longer ones occasionally 

 with slight dusky tips; under wing coverts chaetura drab spotted 

 with white; colors of soft parts unrecorded for this race, but in the 

 nominate race they are as follows: iris dark red; bill yellowish 

 olive, orange near the base; tarsi and toes light greenish yellow 

 (Goodfellow, Ibis, 1902, 230). 



Jvmenal. — ^Unknown, but probably similar to that of the nominate 

 race, which is similar to the adult but has all the chaetura black on 

 the underparts replaced by dark hair brown and the white on the 

 underparts very slightly washed with ashy buff, and has the feathers 

 of the top of the head, hind neck, and anterior interscapulars nar- 

 rowly edged with mummy brown. 



Natal down. — Not known. 



Adult male (type). — ^Wing 122, tail 48, exposed culmen 50, tarsus 

 41 mm.** 



Adult female. — Wing 116.5-120.5; tail 50.5-51.5; exposed culmen 

 43.5^5; tarsus 39-39.5; middle toe without claw 36-40 mm.»* 



"^ No males and only two females seen. Four unsexed birds have the follow- 

 ing dimensions — wing 109 (very worn), 122.5, 124, 125; tail 45.5, 47.5, 49, 51; 

 exposed culmen 42.5, 47, 48.5, 50; tarsus 39, 40.5, 40.5; middle toe without 

 claw 36, 40.5, 41 mm., respectively. Judging from a long series of the nominate 

 race, it appears that the sexes are fairly alike in size (at least tlieir variations 

 may be matched in both sexes). The dimensions given for the type (male) 

 are taken from the original description by Bangs. 



