. The birds of eastern North America known to occur east of the nineteenth meridian .. . * For directions for nieasurcmcut, sec page viii. 148 THE BIRDS OF EASTEltN NORTH AMERICA. Eyes not surrounded by Iadiated disk ofleathers; plumage, black or dark brown;hind toe, short; claws, not sharp: head,bare in adult. Family CATHARTID/E. Vultures. See page 158. Eves not surrounded by radiated disk of feathers, as in tlieOwls: toes;, armed with talons;head, not bare ..

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