. 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 . te feathers on neck or flanks. Young : Bill grayish-brown, black ontop aud at tip ; bare skin and sac yellow. Top of head and hind neck brownish-black ; backand wing-coverts browni
. 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 . te feathers on neck or flanks. Young : Bill grayish-brown, black ontop aud at tip ; bare skin and sac yellow. Top of head and hind neck brownish-black ; backand wing-coverts brownish-gray, the feathers with dark margins, some of them also edgedfinally with whitish. Throat brownish-white, and under parts generally whitish, blackishalong the sides, dusky under the wings and across lower belly. The naked young in the nestare unpleasant livid purplish objects, with protuberant bellies, and large feet; the first down isblackish. Eggs 3, sometimes 4, bluish-green coated with white chalky substance, X ;nests of sticks, moss, and seaweeds, very filthy and ofiensive. Atlantic Coast of Europe andNorth America; breeds in great numbers on the rocky shores of Labrador and Newfoundland ;S. to the Middle States in winter. P. dilophus. (Gr. bis, dis, twice ; K6(I>os, loplios, crest. Fig. 506.) Double-crestedCormorant. Tail of 12 feathers. Gular sac convex behind. No colored gorget. Glossy. Fig. 506. —Double-crested Cormorant, nat. size. (Ad nat. del. E. C.)greenish-black; feathers of the back and wings coppery-gray, black-shafted, with curly black lateral crests in the breeding season, but few if any other filamentouswhite ones, over the eyes and along the sides of the neck; white flank-patch not observed inany specimens examined, probably not occurring; iris green; gular sac and lores spec, with bill bright yellow, blackening along culmen, gular sac red anteriorly, ochrey-yellow posteriorly; legs duU black. Length
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
