612 



CAYENNE NIGHTHERON. 



when it commences its cry, which is very dis- 

 agreeable, and is compared by some to the noise 

 made by a person straining to vomit. 



CAYENNE NIGHTHERON. 

 (Nycticorax Cayanensis.) 



Ny. corpore cceruleo-cinereo, dorso striis nigris, capite nigroy 

 pileo Jcisciaque suboculari albis, crista occipitis sexpenni. 



Nightheron with the body of an ashy blue ; the back striped 

 with black j the top of the head and stripe beneath the eyes 

 white 5 the occipital crest composed of six feathers. 



Ardea Cayanensis. G7nel. Syst. Nat. 1. 626. — Lath, Ind. Orn, 

 2. 680. 17. 



Le Bihoreau de Cayenne. Buff. Ois. 7. 439,— Buff. PI. Enl. 899- 

 Cayenne Night Heron. Lath. Gen. Syn. 5. 56. I6. 



This bird is found at Cayenne : its length is 

 twenty- one inches : its beak is black : the lores 

 pale green : the crown of the head is white ; and 

 a stripe of this colour passes from the nostrils, 

 beneath the eyes, towards the occiput : the rest of 

 the head is black, ending in a point behind ; from 

 which part depends a crest composed of six unequal 

 feathers, half of which are white, and half black : 

 the prevailing hue of the rest of the plumage is a 

 bluish ash, the back and wings being darkest, and 

 marked with a dusky stripe down the middle of 

 the shaft of each feather : the quills are black : 

 the naked space above the knee, and the legs, 

 which are very long, are yellowish. 



