. Handbook of birds of eastern North America . Fig. 9. Order IH. Tul>inaf*es.—Albatrosses, Petrels, and Fulmars. Bill hawklike, the tip of the upper mandible generally much enlarged;nostrils opening through tubes; hind toe reduced to a mere nail, andsometimes entirely wanting. A. Size very large, nostrils separated and on either side oi the bill. . .Family Diomedeidce: Albatrosses (Fig. 9, a), p. 86. B. Size smaller, nostrils joined and placed on top of the bill. . .Family FroceUariidce: Petrels, Fulmars, and Shearwaters (Fig. 9, b), p. 86. KEY TO FAMILIES. 43

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1904