570 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



lowish buff; the feathers of the crest are pointed, sHghtly elongated and 

 recurved, but not so conspicuously as in the adults. 



Neck : Like the head, but not so reddish ; the buffy shade prevailing 

 over the brown on the chin and upper throat. 



Back : Interscapular region, back and rump brown, strongly tinged with 

 cinnamon or reddish, each feather with a yellowish buff tip ; this is most 

 emphasized on the interscapular region and is not so defined on the lower 

 back and rump ; the upper tail-coverts are very long, creamy white in color 

 and barred rather obscurely with brown of the prevailing tone. 



Tail : Dull brown with a reddish tone ; the inner webs of the feathers 

 dull buffy yellow, lighter toward the tips ; a distinct terminal band of buffy 

 whitish. 



Wings : Primaries and primary coverts dark brown, greyish on the 

 outer margin of the primaries ; the inner webs of both sets of feathers 

 white or whitish, which is less conspicuous on the outer webs, the outer 

 web margined and the inner spotted with brownish ; the rest of the wing- 

 coverts dull brown, with little or no admixture of the buffy shading pre- 

 vailing elsewhere ; under wing-coverts brown, with dull buffy tips and 

 shading. 



Lower parts : More uniform dull brown, with a deep cinnamon shade, 

 the lower abdomen and thighs paler and often yellowish with brown 

 markings terminally; the under tail-coverts pale yellowish brown, almost 

 cream-color. 



Immature birds seem to average somewhat larger than do adults ; length 

 22.00; wing 15.50; tail 9.0 inches. No notes as to the color of the bill, 

 feet or naked parts were made by the naturalists who collected for Princeton. 



Geographical Range. — Pacific slope of the Andes in Bolivia, Peru and 

 Chili ; southeastern Patagonia, Rio Gallegos, and region about Cape Fair- 

 weather, Patagonia ; headwaters Rio Deseado, Arroyo Eke = Arroyo Gio, 

 Hatcher's Map; Rio Chico [de Santa Cruz, the upper waters?], Patagonia 

 (Burmeister). 



Mr. Hatcher in 1896 procured two immature birds of this species on the 

 Rio Gallegos, in southeastern Patagonia; and again in 1898 Mr. Colburn, 

 working under Mr. Hatcher's direction, secured an immature female at a 

 point called Arroyo Eke, at the headwaters of the Rio Deseado, far to the 

 north and at the base of the foothills of the Cordillera. The first two birds 

 were taken on the 26th and 29th of May, and Mr. Colburn's specimen on 



