. The birds of eastern North America known to occur east of the nineteenth meridian .. . Section 1. Hind toe, raised above level of front toes. See page 17. Section 2. Hind t(ie, on same level with front toes. See page Toes, three, full webbed ; no hind toe. See page 6. Toes, three, not full webbed ; a simdl web Itetween toes at base, or toesentirely without web. See page 23. KEY TO FAMILIES. WATER BIRDS,GROUP , four, with lobate webs, or webs on sides of

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