SOMERSET HILLS 37 



is brown where the male is black, but 

 otherwise is similar. The beautiful 

 male Black-throated Blue Warbler 

 (Plate 8, p. 65), with a blue back, white 

 belly, black throat and sides, forms a 

 strong contrast to his plainly colored 

 mate, who is brown, with but one mark 

 like the male. This is a large white 

 spot on the wing. 



The Black-throated Green Warbler 

 (Plate 8, p. 65), whose patterns are simi- 

 lar to the Black-throated Blue, is col- 

 ored with a green in place of a blue 

 back and besides has bright yellow 

 cheeks. The female of this species is 

 green on her back, but has only a few 

 faint streaks on her breast. Her yellow 

 cheeks are not as bright as those of the 

 male. One may confuse the male Black- 

 poll Warbler with the Black and White, 

 for they are alike in coloring, but not in 

 actions. The former hops from place 



