1042 REPORT OF STATE GEOLOGIST. 



ANALYSIS OF PERFECT SPRING MALES. 



Tail feathers edged with yellow; head yellow . ... 



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



primaries ....... <-<wilewns. 



no white spot at base of primaries, (a) 

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



streaked, crown yellow ............ Pennsylvania. 



yellow ; sides reddish-streaked, crown reddish . . palmarum. 

 black-streaked ; above, ashy ....... kirtlandi. 



olive, reddish-streaked . . . discolor. 



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

 (b). Crown blue, like the back; below, white, sides and breast 



streaked . ... /-am. 



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



buffy tinged . ......... ... castanea. 



clear ash; rump and under parts yellow, breast and 



sides, black-streaked . . ii l cnl<>.^i. 



--blackish, with median line orange-brown, like the 



auriculars; rump, yellow. . . tiyriiia. 



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



color ..... . . ... .... striota. 



with yellow spot; throat flame-color ; rump not yellow . blackbumic*. 



white; rump and sides of breast yellow coronata. 

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



back ... ....... cirrm*. 



yellow; back, oUve; no black or ashy on head . ru/owi. 



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 rrstim. 



Wing bars yellow and belly pure white pennsylvanica. 



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



wanting) ..... - - ctn-ulescen*. 



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 . . . . ....... rigorsiL 



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



yellow maculosa. 



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



feathers only palmarum. 



Wing bars not very conspicuous ; whole under parts yellow ; 



back with no greenish kirtlandi. 



