. The birds of Illinois and Wisconsin . Bill, hooked at tip, and less than twelve inches long; bare skin at base of bill and chin; lores, bare; toes, four, all connected by webs. Family PHALACROCORACID^. Cormorants. See page 51. Bill, hooked at tip; lores, feathered; upperplumage, entirely black; toes, fpur, all con-nected by w^ebs; tail, forked; wings, very long. Family FREGATIDiE. Man-of-war Birds,Frigate Birds. See page 28 Field Museum of Natural History — Zoology, Vol. IX. GROUP 4. Toes, four, not full webbed; small webs be-tween toes at base, or toes entirely without webs;hind toe, s


. The birds of Illinois and Wisconsin . Bill, hooked at tip, and less than twelve inches long; bare skin at base of bill and chin; lores, bare; toes, four, all connected by webs. Family PHALACROCORACID^. Cormorants. See page 51. Bill, hooked at tip; lores, feathered; upperplumage, entirely black; toes, fpur, all con-nected by w^ebs; tail, forked; wings, very long. Family FREGATIDiE. Man-of-war Birds,Frigate Birds. See page 28 Field Museum of Natural History — Zoology, Vol. IX. GROUP 4. Toes, four, not full webbed; small webs be-tween toes at base, or toes entirely without webs;hind toe, sometimes very small. SECTION 1. Hind toe, raised above level of front toes.


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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidbirdsofillinoisw00cory