214 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
FAMILY ICTERIDAE. 
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 |. 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, black; underparts, orange yellow ; back, black. Baltimore Oriole. 
Icterus galbula (male). 
See No. 379. 
Head, more or less marked with black; back, blackish; underparts, orange, paler 
than the male. Baltimore Oriole. 
Icterus galbula (female). 
See No. 379. 
Crown and back, dull olive, faintly tinged with yellow on rump: underparts, pale 
yellow, usually with faint orange tinge; wing, over 3.45. Baltimore Oriole. 
Icterus galbula (immature). 
See No. 379. 
tes ee eee ee Head and back, black; rest of under- 
parts, chestnut brown. 
Orchard Oriole. 
Icterus spurius (male). 
See No. 378. 
Crown and back, greenish, without 
stripes; underparts, yellow (not 
orange); wing, under 3.45. 
Orchard Oriole. 
Icterus spurius ( female). 
= See No. 378. 
Crown, with yellow buff in centre, 
/ bordered by black; back, streaked 
with black; underparts, pale yel- 
low, tinged with buff; tail feathers, 
pointed. 
Bobolink. Rice Bird. 
Dolichonyx oryzivorus (female). 
ICES Ae See No. 370. 
Orchard Oriole. 
