13G BIRDS OF ILLINOIS. 



B. Inner wob» of lutarul tall-foutborH wtUi piitoli or distinct odelne of while. 



0. WIqk without llt;bt markings, oxcopt a white spot at base of primaries (somottmes 

 obmiletu In i). 



2. D. dsmlesceiu. s: Above plain dark dull blue; sides of head and neck, throat, and 

 oldesi, black; boIlT white, c: Above dull Krajrlsb green, below dull pale ereeniHb 

 buff. 



b. WliiK Willi one or two distinct bunds across coverts. 



3. D. virena. :: Above bright olive-green: wing with two white bands: sides of head 

 gamboge-yellow; chia, throat, jugulum and sides of breast, deep black; belly 

 white. .: Similar, but black of throat, etc.. broken by admixture of yellow and 

 whitish. Yuiing in /all and iciiiter: Throat, etc.. mostly pale yellowish. 



4. D, striata. Crissum pure white at all stago.t and Heusons. !: Plleum uniform 

 deep black: upper parts grayish, streaked with black, the wings with two white 

 bands; lower parts pure while, the sides of the throat with a series of blended 

 black streaks, uultlDg on chin, i: Above dull olive-green, everywhere streaked 

 with black: beneath whitish, more or less tinged anteriorly with greenish bulT.tho 

 sides (and sometimes sides of throat) streaked with dusky. Vourig in fall and 

 winter: Above olive-green, more or less streaked, especially on hack, with dusky; 

 beneath iiaie olive-yellowish, the crittsurn, hotrrrer, aliraua pure leMle. 



5. D. castanea. Crissum always pale creamy bufT. l: Oruwn, throat and entire 

 sides chestnut, darkest on the llrst: above grayish, streaked with black, the wing 

 with two white bands: sides of neck and wiiole belly pale liuff, or bully white, t: 

 Somewhat similar, but chestnut wanting, or merely indicated, the crown streaked 

 like the back. Yotino in fall and winter: Similar to corresponding stage of 

 striata, but crissum pule bufT, the upper tall-coverts and tall tinged with bluish 

 gray: flanks sometimes (In males chiellyl tinged with chestnut 



6. D. peonsylvanica. Wing-bands sulphur-yellow; throat pure white; crown yellow 

 or grass-green: uuriculurs white or light gray, i: Sides, continuously, rich chest- 

 nut, connecting anteriorly with a black cheek-patch; crown bright yellow; back 

 streaked with black and greenish yellow. .: Similar to the '.but duller, i'ouna 

 in fall and winter: Above nearly plain bright olive-green, iucUuIing whole top of 

 head; side of head ash-gray: lower parts plain white, more grayish laterally, 

 where sometimes tinged with chestnut on the flanks. 



7. D. oaerolea. t: Above line grayish blue, with black streaks on back and along sides 

 of crown: wlug-bands pure white; lower parts pure white, interrupted by a gray- 

 ish blue jugular band or collar, t; Above grayish green, glossed with blue; 

 beneath light greenish bulT, without jugular collar. Vouno i: Similar to adult <, 

 but whiter beneath, and upper parts more glossed with blue. 



8. D. blackburniae. Crown with a more or less distinct central spot of orange or yel- 

 lowish. S- Spot on crowu, superciliary stripe (widening on sides of neck), suborb- 

 ital spot, with whole chin, throat and jugulum, rich cadmium-orange, most Intense 

 on throat: other markings about head, with prevailing color of upper parts, deep 

 black, reliovod by a large pure white wing-patch, covering both rows of coverts; 

 breast and l>elly yellowish white, the sides streaked with black, s: Similar In 

 pattern, but black replaced by streaked black and grayish oUve, the orange of 

 throat, etc., much paler. 



9. D. maculosa. White tail-spots on the middle portion of the Inner webs, and on all 

 the feathers except the Intermediie. .!: Crown bluish gray: lores, auriculars, and 

 buck, black: rump and lower parts rich gamboge-yellow, the juguhim and sides 

 broadly striped with deep black; eyelids, postoculjir streak, wing-patch (covering 

 both rows of coverts), and crissum, wliile. '.: Similar to the I. but duller, the back 

 mixed with ollvo-green. the wing-patch dissolved into two distinct bands. }'oun|7 

 in Jail and winter: Above olive, becoming grayish on the head and greenish on the 

 bock; throat pale grayish; no streaks across jugulum. 



10. D. coronata. Crown with a central spot of yellow, and sides of breast, also lower 

 part of rump, with a patch of the same; throat and other lower parts white, or 

 whitish, s; Above bluish gray, streaked with black, the wing with two white 



