GALLINACEiE. 347 



a fawn coloured belly, appears very distinct. Its trachea, in 

 both sexes, forms a curve at the upper part of the sternum, 

 just before it dips into the thorax. 



Ortalida, Merr. 



Or the Parraquas, only differ from the Yacous by having but 

 little of the naked space on the throat, and about the eyes. 



Only one species is knownj of a bronze-brown above, whitish- 

 grey beneath; top of the head red Calraca, Buff.; Phasianus 

 motmot, Gm., and Phas. parragua, Lath., Enl. 146;(l) Bajon, 

 Cay. pi. 1. The cry of this bird is very loud, and articulates 

 its name. The trachea descends under the skin as low as the 

 abdomen, and then ascends to enter the thorax. 



With these different Hoccos naturalists usually associate the 



Opisthocomus, Hoffmanseg. Hoazin, Buff. (2) 



An American bird of similar carriage, with a short and thick 

 beak, the nostrils pierced in the horn, and destitute of membrane; 

 the head ornamented with a tuft of long and very narrow and slen- 

 der feathers, which is distinguished from all the true Gallinaceae, 

 by having no membrane between the base of the toes. It is the 

 Phasianus cristatus, L.,Enl. 337; Vieill. Galer. 193; greenish-brown, 

 variegated with white above; front of the neck and tip of the tail 

 fawn coloured; the belly chesnut. It is found perching along the 

 margin of inundated places in Guiana, where it feeds on leaves and 

 the seeds of a species of Arum. Its flesh smells strongly of castor, 

 and is only employed as a bait for particular fishes. 



Pavo, Lin. 



The Peacocks are characterized by an aigrette or crest on the head, 

 and by the coverts of the tail of the male being larger than its 

 quills, and capable of being erected so as to form a circle. The 

 shining, lax and silky barbs of these feathers, and the ocellated spots 

 that decorate their extremities, are well known in the 



P. cristatus, L.; Paon domestiqiie, Enl. 433 and 434. (The 



(1) N.B. The fig-, in the Pi. Enl. is bad, in as much as It represents the tail 

 pointed. 



(2) This term was applied to the above bird by Uuffon, without any proof, from 

 an indication of Hernandez, Mex. 320, ch. 10. 



Vieill. Galer., 193, calls it Sasa cristata, and improperly represents the beak as 

 notched near its commissure. It forms a g-enus very distinct from that of any other 

 of the Gallinacese, and when its anatomy is known, may become the type of a par- 

 ticular family 



