. On the natural history and classification of birds . Anas, Linn. (fig. 329- c. 330. c) Bill excessively broadtowards the tip, narrowed at its base. The laminae ofthe upper mandibleslender, and consider-ably prolonged be-yond the margins. A. clypeata. PI. Enl. , Sw. (fig. 329- b, c) Bill of equalbreadth lamina quite con-cealed. Nape of theneck crested. Tertialquills generally curv-ed upwards. B. domestica. Selby, pi. 50. carolinensis. lb. pi. 53. discors. lb. pi. 54. glocitans. Selby, pi. 55* Dafila, Leach, (fig. 330. a) Bill and neck very l
. On the natural history and classification of birds . Anas, Linn. (fig. 329- c. 330. c) Bill excessively broadtowards the tip, narrowed at its base. The laminae ofthe upper mandibleslender, and consider-ably prolonged be-yond the margins. A. clypeata. PI. Enl. , Sw. (fig. 329- b, c) Bill of equalbreadth lamina quite con-cealed. Nape of theneck crested. Tertialquills generally curv-ed upwards. B. domestica. Selby, pi. 50. carolinensis. lb. pi. 53. discors. lb. pi. 54. glocitans. Selby, pi. 55* Dafila, Leach, (fig. 330. a) Bill and neck very long. Lamina almost entirely concealed. Tail much lengthened and pointed. D. caudacuta. Selby, pi. 51*. f. , Leach, (fig. 331.) Base of the bill considerably. 368 ON THE CLASSIFICATION OP BIRDS. elevated, and somewhattumid ; the tip broad :the lamina not Bellonii. Selby, pi. 48. Subfam. FULIGULINjE. Sea toe very broad, (fig. 333. d)Somateria, Leach, (fig. 332.) Base of the bill enlarged into compressed and elevated lobes. Tertial quills curved.
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Keywords: ., bookcentury1800, bookid, booksubjectbirds, booksubjectornithology
