. 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 . FiG. 497.—Bill ot young ^ Surf Duck, nat. size. ANATIDu^— : SEA DUCKS. 716 ; wing ; tarsus ; middle toe and claw ; bill along A
. 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 . FiG. 497.—Bill ot young ^ Surf Duck, nat. size. ANATIDu^— : SEA DUCKS. 716 ; wing ; tarsus ; middle toe and claw ; bill along Am. at large, casual in Europe ; chiedy coastwise, also on larger interior waters; U. S. inwinter, abundant, breeding in high latitudes. (N. B. In upper fig. 497 the first reeutranceindicates extent of feathering under the bill, the next the mandibular rami.)GE. p. trowbridgii ? (To W. P. Trowbridge. Fig. 49S.) With the bill longer, exceed-ing the head, and of slightly dif-ferent shape; feathers falling shortof nostrils; gape about ; whitefrontal patch small, its posteriorborder anterior to a line betweeneyes, instead of reaching or pass-ing beyond this. Coast of (Gr. epeto-yLia, ereis)na, a stay, pmp, 2iier, and , , ^ ■^ ^, ,.„, 1 Fig. 498. —Trowbridges Surf Duck, reduced. (From Elliot.) ovpa, oura, tail, as the stmened member might seem to be.) Rudder Ducks. Remarkably distinguished otherFuliguUnee ex
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
