AVES ANATID^. 44 1 



than half an inch and, overlapping each other, the slight barring is almost 

 altogether obscured. Lower back greyish brown ; rump and upper tail- 

 coverts lustrous black. 



Tail : Black of a velvety character. 



Wings : The lesser and median coverts are white ; greater coverts me- 

 tallic coppery green, each feather bordered at its terminal edge with a 

 narrow white margin, the whole forming a characteristic wing-speculum ; 



Fig. 223. 



Chlocphaga poliocephala. P. U. O. C. 7814. Adult male. Profile of head and neck, with 

 the darker body showing in contrast. About y'-x, natural size. 



the tertials are greyish brown, with an olive shade and the scapulars grey, 

 with a strong chestnut tinge, more or less vermiculated near the ends ; 

 primaries and their coverts dusky or blackish ; secondaries white, more 

 or less shaded and marked with brownish ; lower wing-coverts white. 



Lower parts : Breast like the upper back, bright chestnut and with 

 similar obscure vermiculations ; this color terminates abruptly and defi- 

 nitely on the white of the abdomen and here the barring of the chestnut 

 feathers is conspicuous ; the abdomen is pure white ; the sides are white 

 barred with black and washed in parts with chestnut ; the flanks are black 

 like the rump and the under tail-coverts are chestnut, with an admixture 

 of dusky feathers. 



Bill: Black. 



Iris: Dark brown (Hatcher). 



Legs: Orange (Hatcher). 



Feet: Dusky (Hatcher). 



The adult female is similar to the male in appearance. 



Young birds of the year are duller in color, but similar in pattern ; the 

 suffusion of the upper parts is noticeable. 



