158 KEY TO THE BIUDS OF EASTERN NORTH AMERICA. 



Group 3. Wing, over 7.50 inches long. 







1 i s 



T:iil, pointed and rather long; under tail coverts, white. 



Passenger Pigeon. 



Ectopistps migi-atoiiiis. 



SeeXo. 251. 



Tail, square; under tail coverts, gray or liluish gray. 



White=crowned Pigeon. 



ColmttJiii hracna'phahi. 



See No. 250. 



FAMILY CATHARTID^. 

 American Vultures. 



Plumage, black or dark brown ; hind toe, short ; claws, not sharp ; 

 head, bare in adult. 



Group 1. Wing from 14 to 21 inches long. 

 Section 1. Wing, less than 17 inches long. 



Head and foreneck, bare; skin of head, l)lackish; general plumage, black; 

 primaries, hoarj- white beneath. 



Black Vulture. 

 Carrion Crow. 



Cntharista nrnbit. 

 See No. 260. 



