152 YELLOW-SHANKS. 



ash grey, slightly varied with occasional darker-coloured 

 streaks. Chin and throat, white; breast on the middle and 

 lower portion, white, the sides with ash grey streaks; back on 

 the upper part, ash grey, the lower almost black. 



The wings have the first quill feather the longest; they 

 reach about half an inch beyond the end of the tail; the 

 axillary plume white; greater and lesser wing coverts, greyish 

 black, the margins of the feathers varied with white. Pri- 

 maries, black, the shaft of the first white, the others with 

 shafts of light brown; secondaries, greyish black, the edges 

 white. Tail, white, with numerous ash-coloured bands, broadest 

 on the central feathers, which are rather longer than the 

 others, with about twelve narrower bands on each outside 

 one; upper tail coverts, white, those next the back with two 

 semicircular bands of dark grey on a white ground; under 

 tail coverts, white, those next the back with two semicircular 

 bands of dark grey on a white ground; under tail coverts, 

 white. Legs and toes, yellow. 



