1042 Report of State Geologist. 



ANALYSIS OF PERFECT SPRING MALES. 



Tail feathers edged with yellow ; head yellow cfstiva. 



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



primaries . . cdTulescem. 



— no white spot at base of primaries. («) 

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

 streaked, crown yellow .... pennsylvanica. 



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



— black-streaked ; above, ashy . kirtlandi. 



^olive, reddish-streaked . . . discolor. 

 (a«). Wing bars white (sometimes fused into one large patch) (6) 

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



streaked . . ... rara. 



— chestnut, like ihe tliroat; below and sides of neck, 



buflTy tinged . > casfanea. 



— clear ash; rump and under y)arts yellow, breast and 



side.-J, black -streaked ... loaculosa. 



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



auriculars; rump, yellow . ... tigrina. 



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



color . . ... .... striata. 



— with yellow spot; throat flame-color ; rump not yellow . I^lackburniir. 

 — white; rump and sides of breast yellow - coronata. 



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



back .... vireiis. 



— yellow; back, oUve; no black or ashy on head . ingorsii. 



— 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 a'.^tiva. 



Wing bars yellow and belly pure white pennsylvanica, 



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



wanting) ... arrulescens. 



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

 Bill extremely acute, perceptibly curved; rump (generally) 



yellow . . . . tigriim. 



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 . • - rigorm. 



Tail spots at middle of nearly all the feathers ; ruuip 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. 



