BRITISH WARBLERS 



and the sides of the head the same colour as the upper parts, 

 only somewhat lighter and more huffish. The throat is 

 whitish, the upper breast the same colour, only washed with 

 olive buff and striped narrowly with lemon yellow, and the 

 abdomen whitish. The flanks are olive grey washed with a 

 yellow tint, the under tail-coverts whitish washed with yellow, 

 and the underside of the wings and tail lavender grey. 



The axillaries and under wing-coverts are sulphur yellow. 

 The upper mandible is horn brown, the lower yellowish buff, 

 and the flanges light lemon yellow. The iris is brown, the 

 feathers on the eyelid whitish yellow, and the feet and claws 

 brown, the soles being olive yellow. 



The sexes are alike in plumage. 



In autumn the upper parts are richer and of a more 

 greenish olive brown, the primaries have narrow light olive grey 

 tips, and the colouring of the under parts is more intense. 



Nestling. — The upper parts are olive grey, slightly brighter 

 on the forehead and rump. The wing and tail feathers are 

 darkish ash grey, the flight and tail feathers being narrowly 

 edged with olive buff and the greater wing-coverts and the 

 rest of the feathers on the wing broadly margined with olive 

 grey. The lores are dark ash grey, sides of the head olive 

 brown, and the superciliary stripe — which is not very con- 

 spicuous — is light yellowish buff, the feathers on the eyelid 

 being of this latter colour. The throat is bright yellowish buff 

 and the pectoral tract is the same colour but suffused with 

 light lavender buff. The flanks are also bright yellowish buff. 

 The abdomen and the under tail-coverts are light yellow, and 

 the underside of the tail and flight feathers is light ash grey. 

 The mouth is orange buff, but the tip of the tongue is rather 

 more reddish. 



The upper mandible is greyish horn colour and the lower 

 buff colour, the flanges being whitish yellow. The iris is dark 

 greyish brown. The feet are light greyish olive, and the toes 

 rather more of a buff colour with olive yellow soles, the claws 

 being greyish brown. 



