THE ROCK-DOVE. 



483 



becoming whitish at base ; secondaries ash-grey, outer half with 

 black-brown tips and inner half with broad black subterminal band 

 on outer webs but extending across both webs of innermost feathers ; 

 primary-coverts ash-grey, darker on edges of outer webs ; rest of 

 wing-coverts ash-grey as mantle but greater coverts with broad 

 subterminal black band on outer webs but extending across both 

 webs of innermost feathers, and forming with secondaries double 

 black bar across wing. This plumage is acquired by complete 

 moult June-No v. sometimes Dec. 

 -(Not examined.) 



Portion of wings of (A) the Stock-Dove {Coluiriba cenas), (B) the Rock-Dove (C. I. livid]. 



Juvenile. — Whole head, throat to upper-breast, and neck to 

 upper -mantle dark brownish-slate ; mantle and scapulars paler 

 and greyer with brown tinge ; back as adult ; lower -rump and upper 

 tail-coverts browner and darker than adult and feathers very 

 narrowly fringed black-brown ; under -parts darker and browner 

 than adult with a little slate tinge ; under wing-coverts not so 

 white as adult, mostly pale slate and those round edge of wing 

 brown,^very narrowly fringed grey- white ; tail as adult but basal 

 half of outer webs of outermost feathers greyer and not so white ; 

 wing-feathers as adult but browner and primaries with very narrow 

 whitish fringes at tips ; black bands on secondaries and greater 

 coverts usually not so even and strong as in adult ; all wing-coverts 

 pale grey-brown narrowly fringed greyish-white. Chin and gape 



