1042 IiKi'oirr OF STATI: <;I:OLO<;I>T. 



ANALYSIS OF PERFECT SPRING MALES. 



Tail feathers edged with yel'ow; head yellow .//<. 



Tail feathers blotched with white; a white spot at base of 



primaries cwulescens. 



no white spot at base of primaries, (a) 



(a). Wing bars not white. Below, white; sides chestnut- 

 streaked, crown yellow ... penmykanica. 



yellow; sides reddish-streaked, crown reddish . . palmar um. 



black-streaked; above, ashy kirtlandi. 



olive, reddish-streaked . . . discolor. 



(a). Wing bars white (sometimes fused into one large patch) (b) 

 (b). Crown blue, like the-back; below, w-hite, sides and breast 



streaked . ... rara. 



chestnut, like the throat; below and sides of neck, 



buffy tinged . . . ... . * Costarica. 



clear ash; rump and under ports yellow, breast and 



side-- 1 , black -streaked f > uculoxn. 



blacken, willi median line orange-brown, like the 



auriaulars; rump, yellow . fif/riim 



perfectly blfck; throat not black; no yellow ; feet flesh 



color striota. 



with yellow spot; throat flame-color ; rump not yellow blackburnic'. 



white; rump and sides of breast yellow coronata. 



(bb). Crown otherwise; throat black; back, olive; crown like 



back virens. 



yellow; back, o'ive; no black or ashy on head . v-igorsii. 



ashy blue ; cheeks black ; eyelids white dominica albilora. 



DIAGNOSTIC MARKS OF WARBLERS IN ANY PLUMAGE. 



Wing bars and belly yellow. discolor. 



Wings and tail dusky, edged with yellow cestiva. 



Wing bars yellow and belly pure white pennsylvanica. 



A white spot at base of primaries (which is almost never 



wanting) ... arndescens. 



Throat definitely yellow ; back with no green ; belly white . dominica albilora. 

 Bill extremely acute, perceptibly curved ; rump (generally) 



yellow ... . . tigrina. 



Rump, sides of breast and crown more or less yellow ; throat 



white . . coronata.. 



Wing bars white ; tail spots oblique, at end of two outer 



feathers only . . . ... vigorsii. 



Tail spots at middle of nearly all the feathers ; ruinp and belly 



yellow . . macidosa. 



Wing bars brownish; tail spots square at end of two outer 



feathers only : . . . palmarnm. 



Wing bars not very conspicuous ; whole under parts yellow ; 



back with no greenish kirtlandi. 



