AVES PODICIPEDID^E. 



forehead, and crown, the feathers of which are lengthened forming a crest. 

 The elongated feathers of the sides of the crown are white at their bases 

 and have black tips. These feathers partially hide the pure white ear 

 coverts. 



Neck : Black of a dull sooty character throughout ; FIG. 32. 



some greenish gloss on the upper part and with an 

 appreciable admixture of sandy rufous caused by the 

 tips of each feather. 



Back: Black, with a strong greenish gloss, each 

 feather being tipped and edged with sandy brown. 



Wing: In general the closed wing is colored like 

 the back. The primaries dark ash, white toward the 

 basal half of the inner web. The amount of white 

 increases on the inner webs, becoming almost entirely 

 white on the inner primary. The secondaries are Po&cipesamericajtus. 

 pure white, except the outermost and several of the 7 7 ' 



r versity Collection. 



innermost which are ashy brown along the shafts Adult female Profile 

 and at the extremities. The lower wing coverts are of head and neck. y 2 



white. natural size. 



Tail : Like the back in color. 



Lower parts dull grey, with a strong admixture of rufous and dusky, 

 the whole of silky gloss texture. On the belly and the region of the 

 vent the dusky admixture has a more or less barred appearance. The 

 feathers of the sides and flanks are most strongly marked with bright 

 rufous and have dusky tips. The above description is based on an adult 

 female No. 7807 Princeton University Collection, taken at Cape Fair- 

 weather, Patagonia, 7 February, 1898. 



"Iris red; bill black; legs and toes slate color." (H. Whiteley.) 

 Dr. Coppinger says the feet are "grey, dark grey, or olive green." 

 When not in breeding plumage the adult birds are similar. There is 

 however much less elongation to the crown feathers, the chin and throat 

 are pure white, and the neck is otherwise snuff brown, both above and 

 below. The crown of the head is black with a green gloss, the ear coverts 

 are white obscured somewhat by the black tips of the feathers on the sides 

 of the head. The feathers of the crown are edged and tipped with sandy 

 brown. The lower parts, except the neck, are dull whitish with a vinous 

 tinge strongest on the sides and breast. * 



