. 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


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Keywords: ., bookcentury1800, bookid, booksubjectbirds, booksubjectornithology