152 BIRDS OF THE BRITISH ISLES. 



with green ; irides, scarlet ; bill, black ; legs and feet, 

 reddish-brown. Length, about ten inches. The adult 

 female is duller in colour than the male. The young have 

 the throat band indistinct, and the central tail-feathers 

 hardly project. , 



IRoller, 



THE Roller (Coradas ganulus, Linnaeus) is a rare irregular 

 spring and autumn migrant to the British Isles, and a 

 visitant in summer to the temperate portions of Europe, 

 migrating into Africa in autumn. The adult male has 

 the back and scapulars reddish-brown; head and nape, 

 greenish-blue; rump, blue; upper tail-coverts, greenish- 

 blue; tail, light greenish-blue, the outer rectrices with black 

 tips; middle feathers, darker; primaries, black, glossed with 

 blue; upper wing-coverts, rich blue; chin, white; remainder 

 of under parts, pale blue; irides, brown; bill, black; legs 



