. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds. Birds; Birds. the change in upper mandible is decided, as in F. arctica, but the difference in the lower mandible is comparatively slight. In birds of the iirst spring the terminal
. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds. Birds; Birds. the change in upper mandible is decided, as in F. arctica, but the difference in the lower mandible is comparatively slight. In birds of the iirst spring the terminal portion of the bill may be smooth, like the under mandible, and the bill and feet rather orange-red than ver- milion ; at this time the face whitens and the crests sprout. Young: No crests, and no white about the face The bill like that of the adults in winter after the moult, saddled with soft dark-col- ored skin at base, but every way smaller, weaker, and quite smooth ( " Sagmatorhina lathami," fig. 535,) and, like the feet, • Horn-billed Auk, adult in winter, nat. size. (From Elliott.) rather vellow or orange than red; the plumage entirely blackish above, sooty-brown below, the feathers of the belly and iianks whitish at the base ; iris brown. Coasts and Islands of the N. Pacific, S. in winter on the American side to California; of casual occurrence on the Atlantic Coast to New England. General habits and economy of the common puffin; nesting similar. Egg single, rough, dead-white, but showing, besides frequent discolorations, obsolete shell-markings of pale purplish-gray; size from to , by to ; broader and more capacious than that of F. corniculata, though no longer. 889. CERATORHI'NA. (Grr. xepar, Keparos, Jeeras, Teeratos, a, horn; pis, pivos, hris, hrmos, the nose.) Rhinoceros Atjks. Related to Lunda and Fratercula ; no peculiarity of eyelids or inner claw; bill smooth; base of upper mandible with a large upright horn, and under mandi- ble l
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1894
