220 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



General plumage, black, glossed on the liead with purplish or violet black, and 

 back and underparts, tinged with metallic green ; no red on shoulder. 



Brewer's Blackbird. 



Scolecophayus cyannccphalus (male). 

 See No. 382. 



Qeneral plumage, black, tinged with brown on the crown and back ; the 



featliers on the uuderparta, tipped with I'usty brown ; underparts, not streaked ; 

 no red on shoulder. 



Rusty Blackbird. 



Scolficophagtis carolivns (immnture). 

 See No. 381. 



General plumage, black, more or less streaked and marked with brown, 

 buff, and dull white; lesser wing coverts (shoulderj, dull red. 



Red-winged Blackbird. 



Agelains pluenicens (jjowkj male). 

 See No. 373. 



Underparts, streaked with black ; no 



red ijatcli on slionldcr. 



Red'winged Blackbird. 



AyeJaius pltmnJfcns ( frmfiJi-)^ ami races. 

 See No. 373. 



Head and breast, chocolate brown ; jest (•! plumage, glossy black. 



Cow Bird. 



Molothriix ater {maJe^ . 

 See No. 371. 



