214 



KEY TO THE 15IRDS OF EASTERN NOHTH A3IERICA. 



FAMILY ICTERID^. 



Blackbirds, Orioles, Meadow Larks, etc. 



First primary, not short; base of bill slightly dividing the feathers of 

 the forehead ; nostrils, exposed ; outer tail feathers, shorter than middle 

 feathers. 



Group 1. Wing, less than 3.75 inches long. 



Section 1. The following species have the underparts 

 more or less marked with either yellow, orange, or chestnut 

 brown. 



Head and throat, l)laek; uuderi)arts, orange yellow ; l)ack, black. Baltimore Oriole. 



Irtcnis (jdUiuld (riKtlc). 

 See No. .370. 



Head, more or less marked with l)Iack; hack, blackish; underparts, oraiioe, paler 

 tliau tlie male. Baltimore Oriole. 



Icterus galhnld {female). 

 See No. .379. 



Crowu aud back, dull olive, faintly tinsjed with yellow on rump; underparts, pale 

 yellow, usually with faint orange tinge; wing, over 3.45. Baltimore Oriole. 



Icterus f/aUmhi (immature). 

 See No. 379. 



1 Head and back, l)lack; rest of under- 

 parts, chestnut brown. 



Orchard Oriole. 



Icterus spnriiis (male). 

 See No. 378. 



Crown and back, greenish, without 

 stripes; underparts, yellow (not 

 orange); wing, under 3.45. 



Orchard Oriole. 



Icterus sjnirius (female). 

 See No. 378. 



Crown, with yellow buff iu centre, 

 boidered by black; back, streaked 

 with black; underparts, pale yel- 

 low, tinged with buff; tail feathers, 



pointed. 



Bobolink. Rice Bird. 



Dolichonyx orijzivorus (female). 

 See No. 370. 

 Orchard Oriole. 



