182 CLASS AVES. 



C. Infaustus et Russicus. Var. Lath. Cinereous Crow, 

 C. Canadensis. Enl. 530, and a variety. Vail. 48. 



Brown, above ; pale ash-colour, underneath ; forehead 

 and throat, dirty yellow ; 10| inches. Canada. 



Corvus Cristatellus. Vel. Corvus Cyanoleucus. Pr. 

 Max. Temm. PI. Col. 193. 



Tuft of fine curved feathers, and plumes of full deep 

 black ; occiput, nape, neck, and breast, blackish- 

 brown ; back and scapulars, bluish-brown; underneath, 

 light yellowish white. Brazil. 



Corvus Ultramarinus. Cuv. Garrulus Ultramarinus. 

 C. Bonap. Temm. PI. Col. 439. 



Long square tail ; head, nape, and cheeks, ultramarine; 

 mantle and middle of back, ashy, shaded with ultra- 

 marine ; wings and tail, last colour ; throat, abdomen, 

 and tail-coverts, whitish. Mexico. 



Corvus Floridanus. Ch. Bonap. I. 13. 1. 



Approximating to the last, but the blue of the back is 

 more lively, and all the azure colours have more bril- 

 liancy. Wings, in proportion to tail, longer. North 

 America. 



Corvus Torquatus. Garrule Torqueole. Temm. PL 

 Col. 444. 



An extensive white space on all the neck, breast, and 

 part of belly ; black, with reflexions of polished steel, 

 on all other parts of body, wings, and tail. New Cale- 

 donia, Celebes, and perhaps Borneo. * 



• M. Vieillot has 



Gamtlut Melanogaster. Ois. de Par. Vail, 



Garrulus CceruUscens. 

 Garrulus Galericulatus. 

 Garrulus Auritus. 

 Corvus Pnrpurascens, Lath. 



