Artificial Key 21 



VI. BLACK 



CONSPICUOUS EITHER AS MARKINGS, OR AS FORMING A LARGE 

 PART OF THE BODY COLOR. 



N. B. Black and white mottlings are not included in this 

 group ; but several birds are included, which, though not really 

 black, are so dark as to often appear black. 



61. Black forming a large part of the body color. Go to 62. 

 Black wings and tail. Go to 77. 



Black present as conspicuous markings. Go to 78. 



62. Entire body, or nearly the entire body, black. Go to 63. 

 Under parts black; upper parts black, buff, gray, and 



white. Bobolink, Male. (p. 129.) 



Upper parts, breast, and throat black with salmon mark- 

 ings. American Redstart, Male. (p. 65.) 



Black restricted largely or wholly to upper parts. Go 

 to 70. 



63. Bird swallow-like. Go to 64. 

 Bird not swallow-like. Go to 66. 



64. Tail very short, so that the bird almost appears to have 



none; color really a dark brown. Chimney Swift, 

 Either Sex. (p. 143.) 



Tail of ordinary length. Purple Martin, Either Sex. 

 Go to 65. 



65. Color an intense purple-black. Purple Martin, Male. 



(P- 93-) 

 Color a sooty brown, lighter below. Purple Martin, 



Female, (p. 93.) 



