406 PATAGONIAN EXPEDITIONS : ZOOLOGY. 



Iris : Pale greyish blue, almost white. Sometimes pale lemon-yellow. 



Legs and feet : Pale salmon-pink, shaded with greyish at the joints. 

 The webs similar. In younger birds in the pink plumage the legs are 

 much greyer and have a greenish shading. Immature birds are dull 

 white, shaded on the sides of the head and neck with greyish brown. 



Pkcenicopterus chilensis, 7863, P. U. O. C. Details of foot. 



The back and scapulars are pale brown, each feather shading to dull 

 white on its edges. The lower back, rump and upper tail-coverts dull 

 white, with some greyish brown streaking and shading. The upper wing- 

 coverts brown with lighter edges, those of the shoulders sometimes tinged 

 with reddish. Primary coverts brown, often with a vermilion shading at 

 the base. The quills dull brownish black. Tail dull white, shaded more 

 or less with greyish brown. Lower parts dull white, with greyish brown 

 shading on sides and flanks. 



Geographical Range. — Southern South America. From the Straits of 

 Magellan (rarely) throughout Patagonia and Chili, north to Uruguay and 

 Peru. 



The naturalists of the Princeton Expeditions secured a series of five 

 adults of the Chilian Flamingo, and these, with the series in the British 

 Museum of Natural History, have afforded a basis for the description given. 

 In his MS. notes Mr. J. B. Hatcher speaks of them as " common 

 about the fresh and salt lagoons of the Patagonian plains, especially those 

 near to the sea coast, that is from one to 50 miles back. The birds are 

 shy and difficult to approach." Near Gregory Bay, Straits of Magellan, 



