420 



REVIEW OF AMERICAN BIRDS. 



[part I. 



A. Pattern of coloration beneath decidedly and abruptly 



varied. 



Body slaty blue ; cliin and throat, with crissum, orange 

 brown, abruptly defined. A patch of white on under 

 eyelid. Bill black. 



Extreme point of chin and sides of base of lower 

 jaw each with an almost inappreciable and 

 not continuous white spot. Ears blackish, 

 not varied. Thighs slate color ; legs yellow. 

 Length, 7.50 ...... solitarius. 



Whole chin, continuous with a large patch on 

 side of lower jaw (without dusky-border be- 

 low ?), white. Ears not varied ? Lower part 

 of thighs yellow ; legs brown ? Length, 6.25 armillatus. 

 A white stripe along lower part of cheeks, bor- 

 dered beneath by a blackish line. Ears 

 streaked black and white. No white on 

 chin ? nor yellow on thighs ? Legs pale. 

 Length, 7.00 ...... genibarhis. 



B. Wliole under parts nearly uniform (plumbeous or ashy), 



varied ouly slightly in shade (black in Jeucotis). 

 Prevailing color ash gray ; chin, upper throat, and cris- 

 sum paler. A white ring round the eye ; lores, and 

 a line each side the chin dusky. Bill black ; legs 

 dusky. 



Upper parts uniform ash gray, the two light wing 

 patches very distinct, and fulvous yellow. 

 Maxillary stripe indistinct .... townsendii. 



Outer surface of wings rufous brown, back less 



conspicuously so. Wing bands indistinct. ^ 

 Maxillary stripe well marked . . . obscurus. 

 Above rufous ; under parts dark plumbeous. 



Forehead ashy ; top of head less rufous. Wing 

 bands quite distinct. Upper mandible black ; 

 lower, with legs, yellow .... venezuelensis. 



Nearly uniform slaty blue all over. 



Forehead ashy ; chin paler than rest of under 



parts. Bill black : legs dusky . . . unicolor. 

 Forehead, face, and chin black. Bill orange red ; 



legs yellow ....... melanops. 



Above grayish-olive ; dull white beneath. 



A dusky line each side chin. Bill narrow, thick- 

 ened, black, with the base below, as also the 

 legs, yellowish ...... elisabeth. 



Above rufous ; under parts black. 



Cheeks, axillars, inside of wing, and patch at base 

 of quills (not visible externally) white ; ex- 

 ternal wing band obsolete. Bill black above, 

 yellow beneath ; legs dusky . . . leucotis. 



