AVES—EAGLE. 451 
American animals, as well as for the most authentic details with respect to 
their native habits. In the present instance he has unfortunately given u¢ 
no such particulars ; and as no other zoologist has seen the living bird in a 
state of nature, we can but judge from analogy that its manners are the same 
with those of the best known species of its genus. A figure taken froma 
preserved specimen, has been lately published by M. Temminck, in his 
splendid Planches Coloriées; and the description which accompanies it, is 
the only original notice of the bird subsequent to that of M. D’Azara. 
MINE 
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The latter author, or rather his French translator, names it Daigle 
noiratre et blanc. He states, that it is found, but not frequently, in Para- 
guay, and that it is generally seen in pairs. The feathers of the head, neck, 
and upper part of the body, are, according to his description, of a blackish 
blue, and, with the exception of those of the back, terminated by dirty white. 
The tail is blackish, with small whitish spots scattered over its surface , the 
upper wing-coverts ash colored, with blackish stems and transverse lines of 
the same; and the large coverts, as wil! as the quill-feathers, of a deeper 
ash, variegated with narrow black bands. The whole under surface is 
beautifully white, with transverse blackish lines on the under tail-coverts, 
and larger wing-coverts alone; the smaller wing-coverts having no other 
part but their stems of this sombre tinge. The naked part of the leg is of a 
hght yellow, with large flat scales both before and behind; the cere is pale 
yellow ; the beak black at its point, and blue at the base; and the iris of a 
very light hazel. 
