Hub. in regione NeotropicA. 



Adult. General colour above glossy brown ; the wing-coverts dark brown, edged with whity brown ; 

 bastard-wing, primary-coverts, and quills blackish brown, with scarcely any paler margins, 

 excepting on the secondaries, the innermost of which are paler brown externally, with whity- 

 brown margins near the tips ; upper tail-coverts like the back, with slight indications of paler 

 edges, more or less obsolete ; tail-feathers blackish brown, with a narrow fringe of whity brown 

 along the edge towards the tip of the inner web ; crown of head brown, the forehead blackish, 

 the rest of the crown slightly mottled with blackish centres to the feathers ; lores dusky brown ; 

 ear-coverts uniform brown ; cheeks paler and more ashy brown ; throat ashy white ; fore neck and 

 chest ashy brown in the centre, darker brown on the sides as well as on the sides of the body and 

 flanks, the feathers on the lower flanks being white externally, brown internally ; breast, abdomen, 

 thighs, and under tail-coverts white ; in the centre of the breast a longitudinal streak of dark 

 brown, the feathers forming which are dark brown on the inner and whitish on the outer webs ; 

 axillaries and under wing-coverts brown, with whitish tips to the feathers; quills dusky brown 

 below, more ashy brown along the inner face of the quills : " legs blackish brown ; bill dark horn 

 greyish brown; iris dark" (Newwied). Total length 7 inches, culmen 05, wing 5"5, tail 2'65, 

 tarsus 0"55. 



The sexes are alike in plumage, and the following are the dimensions of the series in the British 

 Museum : — 



Total length. "Wing. Tail. Tarsus, 



in. in. in. in. 



a. Ad. Rio Grande (Plant) 7'0 55 2v 06 



b. Ad. La Plata (W. H. Hudson) 7'0 5"35 2-55 05 



c. ? ad. Buenos Ayres {E. W. White) 67 4-9 25 0-5 



d. $ ? ad. Orau, Salta (E. W. White) 67 5"4 25 0-5 



e. ? ad. „ „ 63 4-75 2'3 0"5 



/. Ad. Bolivia {Bridges) 7'0 5 "45 27 0-5 



g, It. c? ad. Matto Grosso (H. Smith) 6"5 5-8 2"4-27 0-5 



i. $ ad. „ „ 6"5 5 - 05 2-5 0'5 



k. ? ad. Curityba [J. Natterer) 6"0 5'0 2'2 0"45 



/, m, n. Ad. Bahia 6'5 5"0-5"3 2'5 - 5 



o,p. Ad. Pemambuco (IV. A. Forbes) 6-0 4"8 2'l-2;3 0'5 



q. Ad. Rio Tocantins (A. R. Wallace) . . . . 6'1 5"2 2-5 0-5 



r,s. $ ad. Upper Ucayali (E. Bartlett) 6'2-67 5-2-5-4 2-5 0-5 



t. ? ad. „ „ 6-3 4-8 2"4 05 



u,v,w,x. (?ad. Yquitoa (H. Whitely) 6-5 4-9-5*2 2"3-2'6 0-45-0-5 



y,z,a!. ? ad. „ „ 6-0 4-8-4-9 2'35 0-45 



b', c. Ad. Santa Rita, Ecuador (Villagmnez) ... 6-5 4-9-5-1 2-6 0'5 



d\ ? ad. Puerto Cabello (A. Goeriny) 5-8 4-75 2-2 0-5 



e'. Ad. Corentyn River [E. im Thurn) 5-2 4-7 2'1 0-5 



A young bird, recognizable by its swollen yellow gape, differs from the adult in having distinct whitish 

 fringes to the end of the quills and in being much paler brown. The tail is perfectly square, and 

 the whole of the lower throat, fore neck, chest, and sides of breast are almost uniform brown, 



