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 snecies being met with in Europe. 
Coracias, Linn . — Generic characters. — Bill 
strong, deep, compressed, culmen rounded, 
gape very ample, bristled ; wings pointed, 
second quill longest ; tail more or less 
