. The water birds of North America . feet full and broad. Only a single species of this genus is known, and this is supposed to be now entirely extinct,although a considerable number of examples are preserved in museums. — THE AUKS — PLAUTUS. 467 Flautus impennis. THE GREAT AUK. Aha impennis, Link. S. N. ed. 10, 1758, 130, no. 2 ; ed. 12, I. 1766, 210, no. 2. — Aub. Orn. Biog. IV. 1838, 316; B. Am. pi. 311 ; oct. ed. VII. pi. 46:,. —(ass. in Bands B. X. Am. 1S5S, 900. — Baikd, Cat. N. Am. B. 1859, no. 710. — Cones, Pr. Ac. Nat. Sci. Philad. 1S68, 14; Key, 1872, 339 ; Check List, 1873,
. The water birds of North America . feet full and broad. Only a single species of this genus is known, and this is supposed to be now entirely extinct,although a considerable number of examples are preserved in museums. — THE AUKS — PLAUTUS. 467 Flautus impennis. THE GREAT AUK. Aha impennis, Link. S. N. ed. 10, 1758, 130, no. 2 ; ed. 12, I. 1766, 210, no. 2. — Aub. Orn. Biog. IV. 1838, 316; B. Am. pi. 311 ; oct. ed. VII. pi. 46:,. —(ass. in Bands B. X. Am. 1S5S, 900. — Baikd, Cat. N. Am. B. 1859, no. 710. — Cones, Pr. Ac. Nat. Sci. Philad. 1S68, 14; Key, 1872, 339 ; Check List, 1873, no. 615 ; ed. 2, 1882, no. S78. — Ridgw. Norn. N. Am. B. 1881, no. impennis, Vkl. Med. Nat. For. Kjob. 1855, borcalis, FoRST. Synop. Cat. Brit. B. 1S17, 29. Hab. Believed to be now extinct. Formerly (previous to 1844) inhabited the islands of theNorth Atlantic, south to the coasl of New England (Nahant and islands in Boston Bay); probablydid not occur north of the Arctic circle (Wolley).. /. impennis, summer adult. Sp. Char. Adult, in summer: Head, neck, and upper parts, blackish, the throat and sides ofthe head and neck inclining to a clear snuff-brown shade ; lower parts, a large oval space coveringthe greater part of the loral region, and the tips of the secondaries, white ; the white of the jugulumextending upward in a point into the snuff-brown of the middle portion of the throat. Billblack, with the grooves between the transverse ridges white ; iris hazel ; feet and claws black(Audubon). 4G8 THE DIVING BIRDS — PYGOPODES. Total length, about to inches ; extent, (Audubon); wings, ; tail, ; bill along gape, ; culmen, ; greatest depth of closed bill, about ;tarsus, ; middle toe with claw, \Yc have seen no description of this species in young or winter plumage ; the latter, however,
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
