426 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



pale rufous. The first bars obscure, but the last two very distinct, the 

 whole mantle having a barred appearance. Scapulars like the mantle. 



The lower back greyish brown ; rump and upper tail-coverts deep 

 blackish, with some greenish reflections. 



Tail : Deep blackish brown, with greenish reflections. 



Wings : Much as in the adult male, but somewhat duller. 



Lower parts. — Breast: Barred with black and pale rufous. Each 

 feather is crossed by some six bars of each color, twelve in all, the black 

 bars being almost twice as wide as the rufous ones. Abdomen like the 

 breast, but the rufous bars much paler. Sides and flanks barred like the 

 breast, but the rufous bars replaced by white ones. Vent and under tail- 

 coverts whitish basally, but so strongly vermiculated terminally with black- 

 ish brown as to appear dark, unless the feathers are disturbed. Lower 

 wing-coverts and axillaries white. 



Bill: Black. 



Iris : Dark brown. 



Feet and legs : Orange-yellow. 



Fig. 221. 



Chloephaga viagcllatiica. P. U. O. C. 7845. Young male in downy plumage. ){ natural 



size. 



Downy young. P. U. O. C. Nos. 7845, ^ ; 7846, J> ; 7847, 9- Rio 

 Coy, Patagonia, 25 January 1898, A. E. Colburn. All of one brood and 

 apparently about two weeks old. 



Above : Pale snuff-brown, with two well defined white stripes. Nape 

 of neck pale snuff-brown, the sides and under part of neck white. The 

 top of the head striped snuff"-brown, darker in shade than on the neck 



