. The birds of eastern North America known to occur east of the nineteenth meridian .. . Nostrils, tutiuiar, united in one double-barrelled tube; front toes, palmate (fidl webbed);hind toe, very small, and in some cases entirely at)sent; upper mandible, curved near tip?wing, less than 19 inches long. Family PROCELLARIID/E. Shearwaters, Petrels, and Fulmars. See page 46. KEY TO FAMILIES. MATEK UIRDS. 13 Nostrils, sepanitc not tubular; bill, with cere (a horny or skin-like covering on base ofupper mandible) ; hind toe, sometimes very small; end of upper mandible (unguis), swollenand somewhat rou
. The birds of eastern North America known to occur east of the nineteenth meridian .. . Nostrils, tutiuiar, united in one double-barrelled tube; front toes, palmate (fidl webbed);hind toe, very small, and in some cases entirely at)sent; upper mandible, curved near tip?wing, less than 19 inches long. Family PROCELLARIID/E. Shearwaters, Petrels, and Fulmars. See page 46. KEY TO FAMILIES. MATEK UIRDS. 13 Nostrils, sepanitc not tubular; bill, with cere (a horny or skin-like covering on base ofupper mandible) ; hind toe, sometimes very small; end of upper mandible (unguis), swollenand somewhat rounded; baek and wings, always dark, sometimes sooty, sometimes barredwith brown; tail, never white or gray, usuallv very dark; middle tail feathers, longest,
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
