i84 Field Museum of Natural History — Zoology, Vol. IX. 



Under parts, heavily streaked with black; throat, tinged with 

 tawny. Agelaius phceniceus {female). 



Red-winged Blackbird. 



See No. 226. 



Head and throat, brown; rest of plumage, glossy greenish black. 



Molothrus ater {male). 

 Cowbird. 



See No. 224. 



Under parts, brownish gray; upper parts, pale grayish brown. 



~ Molothrus ater (female) . 

 Cowbird. 



See No. 224. 



GROUP 3. Wing, 4.25 to 4.75 inches long. 

 First primary, never less than three fourths as long as third. 



