FAMILY ICTERIDA. — BLACKBIRDS, ORIOLES, MEADOW LARKS, ETC. 219 
Group 3. Wing, 4.25 to 4.75 inches long. 
First primary, never less than three fourths as long as third. 
General plumage, black; a patch of scarlet on the shoulder. 
Red=winged Blackbird. 
Agelaius pheniceus (male), and races. 
See No. 373. 
General plumage, black; no red 
shoulder patch; head, not 
tinged with purple. 
Rusty Blackbird. 
Scolecophagus carolinus. 
See No. 3881. 
