4. XANTHOCOEYS. 619 



4. XANTHOCOEYS. 



Range. Brazil. 



1. Xanthocorys nattereri. 



Antlius correndera, Peh. Oni. Bras. p. GO (1871, nee V.). 

 Authus nattereri, Sclater, Ibis, 1878, p. ;i(J6, pi. x. 



Hind claw very long, only gently curved, equal to hind toe. 

 Tarsus much shorter than hind toe and claw combined. Primaries 

 subequal and longest, 1, 2, 3, 4; Jlrst a trifle shorter than the rest ; 

 Jifth primary shorter than fourth and not so long as inner secondaries, 

 which nearly equal the primaries in length. Primaries emargi- 

 nate, 2, 3, 4. Feet in skin reaching nearly to tip of tail. 



Adult male (type of species). General colour above pale sandy 

 rufous, mottled with blackish-brown centres to the feathers of the 

 mantle and upper back ; lower back and rump rufous-brown, les3 

 distinctly centred with black, and nearly uniform in appearance, 

 the upper tail-coverts again streaked with blackish centres to the 

 feathers ; wing- coverts sandy rufous, with concealed dusky bases, 

 only apparent on the median series ; bastard-wing and primary- 

 coverts dusky brown, margined with ashy fulvous ; quills dusky 

 brown, edged with sandy rufous, inclining to yellowish white on 

 the first primary and inner secondaries ; tail-feathers narrow and 

 somewhat pointed, dark brown, edged with sandj- rufous, the two 

 outer ones pale smoky brown, with a long mark of dark brown on 

 the inner web, more developed on the penultimate feather, which 

 has a dark-brown shaft and is white at the tip, the outer feather also 

 white at the tip but having the shaft pale brown ; both the external 

 feathers tinged with sandy buff externally ; head like the back, but 

 more distinctl}- streaked with black centres to the feathers ; the 

 central markings on the hind neck much smaller and in the form of 

 spots ; lores dull whitish, as well as the feathers below the eye ; 

 eyelid pale sandy yellowish, as well as a narrow but distinct super- 

 ciliary line ; car-coverts pale sandy yellowish, with minute black 

 spots ; cheeks uniform sandy yellowish, with a narrow line of black 

 above running from the gape to below the eye, and a second nar- 

 row line of black below the hinder part of the cheeks, connected 

 with the spots on the throat ; the latter white, with a slight yellowish 

 tinge ; lower throat, breast, sides of body, thighs, and under tail- 

 coverts pale sandy buff, tipped with yellow on the lower throat, and 

 paler buff on the thighs and under tail-coverts ; the fore neck and 

 chest with narrow streaks of black, longer and more distinct on 

 the sides of the body and flanks, which are deeper sandy rufous ; 

 abdomen white, with a slight pinkish tinge ; axillaries dull white, 

 with a yellowish tinge ; under wing-coverts yellowish buff, the 

 lower ones ashy, like the quills below, the latter pale ashy rufous 

 along the inner web. Total length 5-8 inches, culmen 0-5o, wing 

 2-85, tail 2-3, tarsus 0-D5. 



Hab. Brazil. 



a. cJ ad. sk. Rio Verde (Natterer). Sclater CoUectiou. 



