. A monograph on the anatidae, or duck tribe. GENUS I. CEREOPSIS. Ext. Char. Pedes simiiibus genere sequenti. Rostrum breve, obtusum ; culminearcuato. Nares cera tectae, magnae, et rotundatae. Anat Char. Trachea magna, complanata. Larynx inferior anseribus similis. Ext. Char. Feet as in the preceding. Bill with a cere covering the nostrils ; the culmenarched. Nostrils large, rounded. Anat. Char. The Trachea large, uniform. Inferior Larynx like that of the geese. Cereopsis. Lath. Type. Cereopsis Novce flollandice. The only anatomical notes that I know of in existence, with regard to this curiou


. A monograph on the anatidae, or duck tribe. GENUS I. CEREOPSIS. Ext. Char. Pedes simiiibus genere sequenti. Rostrum breve, obtusum ; culminearcuato. Nares cera tectae, magnae, et rotundatae. Anat Char. Trachea magna, complanata. Larynx inferior anseribus similis. Ext. Char. Feet as in the preceding. Bill with a cere covering the nostrils ; the culmenarched. Nostrils large, rounded. Anat. Char. The Trachea large, uniform. Inferior Larynx like that of the geese. Cereopsis. Lath. Type. Cereopsis Novce flollandice. The only anatomical notes that I know of in existence, with regard to this curious bird, arethose of Mr. Yarrell, in the Zoological Proceedings (1830, p. 25), which in giving our specificaccount of it, we cannot do better than extract. Affinities. Another rather anomalous genus, more closely connected, bowever, with thegeese than the 13 [Anserin*.


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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838