386 



ROLLERS. 



of black, and above by olive of the same colour, 

 which runs from the sides of the gape below the 

 eyes, and through the auricular feathers. The 

 remaining under parts are rich greenish blue, 

 changing with the light, and becoming paler on 

 the vent and under tail coverts. In the female, 

 the colours are less brilliant, the yellow of the 

 throat less clear, and the breast more clouded. 



From the Bee-Eaters, we very naturally pass 

 to the Rollers, Coracias, having a lengthened or 

 forked tail, a plumage of an almost similar dis- 

 tribution of colours, and a bill, though modified, 

 not very far differing in shape. The members of 

 this genus are all natives of warm climates, a 

 single soecies being met with in Europe. 



CORACIAS, Ziww. Generic characters. Bill 

 strong, deep, compressed, culmen rounded, 

 gape very ample, bristled ; wings pointed, 

 second quill longest ; tail more or less 



