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iD AND BLUE MACCA1V. 

 Macrocercus aracanga. 

 PLATE VII. 



Sittace aracanga, Wagler, in Abhand. <J-e. p. 672 Psit- 

 tacus aracanga, Auct I/Ara canga, Ve Vaill. Hist, des 



Per. t. 2 The Red and Blue Maccaw, Edwards, 4. 



t. 158. 



THIS large and splendid species has frequently 

 been confounded with its nearly related congener, 

 the Psittacus macao of authors, from which it may 

 always be distinguished, by the want of the narrow- 

 rows of red plumes upon the naked part of the face, 

 and in having the middle wing-coverts of a bright 

 yellow, instead of green. In dimensions it is fully 

 equal to the other species, frequently attaining 39 

 inches in extreme length, of which the tail measures 

 nearly 24.' The bill is large, and very powerful : 

 the upper mandible yellowish-white, except near the 

 angles of the mouth, where it is varied by a dark 

 streak or spot ; the under mandible is black. The 

 cheeks and orbits are covered with a rough pinkish 

 white skin, without any rows of small feathers ; the 

 rest of the head, the neck, back, scapulars, breast, 



