Vol. xli.] 82 



always has, in every age, season, and sex, at least a yellow 

 supercilium and some yellow on the chin and throat, and 

 nearly always on the forehead. 



{b) First winter AJ. melanogriseus. This plumage seems 

 to me to be very distinctive, but is often confused with that of 

 other Wagtails. Both sexes lack all olive-green on the upper 

 parts and all yellow on the underparts. The colorations, unlike 

 theflava group, are grey and white — whitish supercilia and 

 underparts, grey back, and slate-grey rump. 



