4f CLASS AVES. 



Some of them have at the base of the bill a 

 globular tubercle, more or less thick. 



Globose Curassow. Crax Glohicera. Lin. Enl. 86, 

 and Edw. 295, 1. 



Body, black ; vent, white ; crown, black ; tail-tip, 

 white. 



Among both of these there are some which have 

 the body striped with white or yellow. Albin II. 32, 

 which appears to be the true Hoazin of Mexico, of 

 Fernandez.* 



Sometimes the whole under part is yellow. Azara, 

 Voy. IV. p. 169. It appears also from other tra- 

 vellers that the females are fulvous-yellow. 



Those of Peru : 



Red Curassow. Crax Rubra. Lin. PI. Enl. 125. 



have the under part of a bright chesnut, and the 

 head and neck varied with black and white.t 



* Temminck regards them as the Hybrid breeds, produced by the inter- 

 mixture of the species in a domesticated state. 



f The Crax Alector Fcemina of Latham. See Albin. t. 40, and Lath. 

 Syn. t. 63. Temminck describes the wild specimens as those with the 

 neck black and white banded; the cere black; and the tail with nine 

 black edged, yellow-white bands. The hybrid with C. Alector, as darker 

 varied with reddish, and the lower part of the neck, chest, and middle tail- 

 feathers, black. See PI. Enl. 125. with the orbits feathered, in the other 

 hybrid the orbits, are naked; the head, neck, and crest, are black; the 

 upper part of the body and tail feathers, banded with black and yellow. 



