398 CLASS AVES. 



spurs on each wing ; in the long toes, and strong 

 claws, especially that of the thumb, which is long 

 and straight, as in the larks ; but their bill, not much 

 cleft, is but slightly compressed, not swelled, and the 

 upper mandible is slightly arched. Their legs are 

 reticulated. 



The species known, the Horned Screamer^ Lath. 

 (Palamedea Cornuta, L.) Enl. 451. Vieill. 

 Gal. 261. Anhimaj at Brazil. Camouchei at 

 Cayenne, &c. 



Is larger than the goose ; blackish, with a red spot 

 on the shoulder, and the summit of the head bears a 

 curious ornament, a long corneous stem, slender and 

 mobile. The toes are not palmate. This bird 

 sojourns in the inundated places of South America. 

 Its voice is very strong, and it utters cries, heard at 

 a great distance. They live in pairs, with much 

 fidelity. It has been asserted that they hunt rep- 

 tiles ; but, although their stomach is not very mus- 

 cular, they live on little but herbs and aquatic seeds. 

 See Bajon Mem. de Cayenne, II. 384. 



A distinct genus has been made of 



The Chaia of Paraguay, D'Az. Chaima, lUig. 



Faithful Jacana, Lath. Paira CJmvaria, L. Col. 

 219. Vieill. Gal. S67. 



Which has no horn on the vertex ; and the occiput 

 is adorned with a circle of feathers, capable of being 



