574 LARID^l. 



brownish-ash, the feathers edged with paler brown ; a 

 few bluish-grey feathers on the centre and sides of the 

 back ; the primaries nearly black, both as to the shafts 

 and greater part of the webs, all but the first being tipped 

 with brown ; upper tail-coverts dull white ; tail-feathers 

 white, the outer half black, except the outer feather on 

 each side, which has the outer web white; chin and 

 throat white ; neck in front, the breast, and all the 

 under surface of the body, mottled with light ash-brown, 

 on a ground of white ; legs and feet pale yellowish-brown, 

 the claws black. 



