. The birds of eastern North America known to occur east of the nineteenth meridian .. . 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 hracnaphahi. 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 1. Wing, less than 17 inches long. Head and foreneck, bare; skin of head, l)lackish; general plumage, bla
. The birds of eastern North America known to occur east of the nineteenth meridian .. . 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 hracnaphahi. 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 1. Wing, less than 17 inches long. Head and foreneck, bare; skin of head, l)lackish; general plumage, black;primaries, hoarj- white beneath. Black Crow. Cntharista No. 260. FAMILY CATHAKTID^. AMEKICAN VULTURES. 159 Section 2. Wing, over 17 inches (Jiiicral i)lumage, l)roiiii^ red; iiiiinature hirds liavc tlic lioadfeathered. Turkey \ No. ). 160 KEY TO THE BIRDS OF EASTERN ^ORTH AMERICA. FAMILY FALCONID^. HAWKS, FALCONS, EAGLES, ETC. (J ROUP 1. Group 2. Group Group SectionSectionSectionGroup Sectiou 5. Section 6. Section 7 SectiouGroup 7. Wing, less than inches long. See page , to inches long. See page , to 13 inches long. See page 164. 1. Species having second primary longest. See page 165. 2. Species having third primary lougest. See page 166. 3. Species having fourth primary longest. See page , 13 to 15 inches long. See page 167. 1. Second primary, longest; first and second primaries, emarginate or notched. See page
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica