LAND BIRDS. 577 



GG. Not simply black and white. I, II. 



I. Breast and sides rich brown. Bay-breasted 



Warbler. No. 277. 



II. Breast and sides not brown. J, JJ, JJJ. 



J. Back dark blue, throat clear black. 

 Black-throated Blue Warbler, male. 

 No. 272. 

 JJ. Back light blue, throat pure white. 



Cerulean Warbler. No. 275. 

 JJJ. Back black and white, throat orange 

 or scarlet. Blackburnian W^arbler, 

 male and female. No. 279. 

 FF. Birds with some yellow. K, KK. 



K. Rump or upper tail-coverts yellow. L, LL. 



L. Some chestnut about the head. M, MM. 

 M. Top of head chestnut. Palm Warbler. 



No. 284. 

 MM. Top of head mainly black, sides of 

 head chestnut. Caj^e May Warbler. 

 No. 270. 

 LL. No chestnut about the head. N, NN. 



N. Throat white or gray. Myrtle Warl)ler. 



No. 273. 

 NN. Throat bright yellow. Magnolia 

 Warbler. No. 274. 

 KK. Rump and upper tail-coverts without yellow. 

 O, 00. 

 O. Throat and chest clear yellow. P, PP. 



P. Sides with blackish spots or streaks. 

 Q,.QQ. 

 Q. Middle of back with patch of chest- 

 nut spots. Prairie Warbler. 

 No. 285. 

 (^C^. Middle of back without patch of 

 chestnut spots. R, RR. 

 R. Top of head and most of back 

 streaked with blackish. 

 Kirtland's Warbler. No. 

 282. 

 RR. Top of head and all of back 

 without streaks. Sycamore 

 Warbler. No. 280. 

 PP. Sides without spots or streaks. S, SS. 

 S. Forehead and crown bright yellow, 

 rest of upper parts l)riglit olive 

 green. Blue-winged Warbler. 

 No. 264. 

 SS. Forehead and crown without yel- 

 low; olive green like the rest of 

 the upper parts. Pine Warbler. 

 No. 283. 

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