10 CORVIDiE. 



Inhabits South America. Length thirteen inches 

 and a half: the base of the beak is furnished with a 

 small crest, composed of strongly recurved feathers : 

 this crest and the feathers of the face are deep black ; 

 the latter rather tinged with brown : the occiput, 

 nape, neck, and breast, are blackish-brown : the belly 

 and all the under parts are whitish tinged v^ith yel- 

 low : the back and scapulars are dull bluish varied 

 with a brown hue : the wings and the upper half of 

 the tail are bright blue ; the lower half and the rec- 

 trices are white : the legs and beak are black. 



STIRPS III.— CORACIANA, Vigors. 



GENUS CLXXIX.— CORACIAS, Linne. ROLLER. 



Rostrum mediocre, basi gla- 

 brum, altius quam latum, 

 robustum : mandibtda su- 

 per io?' versus apicem cur- 

 vatum. 



Nares lineares, oblique. 



Galgulus, Brissou. 



Beak moderate, the base gla- 

 brous, higher than broad, 

 robust: the upper man- 

 dible curved towards the 

 tip. 



Nostrils linear, oblique. 



Rollers all inhabit the old world, and their 

 plumage is decorated with lively and brilliant, but 

 inharmonious colours. 



A. Cauda subfurcatd. 



A. With the tail slightly forked. 



Sp. 1. Co. garrula. Shaw, v. vii, p. 388. pi. 50. — Britain and 

 Europe. 



