. A monograph on the anatidae, or duck tribe. itae. Anat. Char. Trachea uno vel duabus bulbis tubula. Larynx inferior non bulboinstructo. Ext. Char. Feet with the posterior toes lobatcd, the outer ones longest. Bill large,elevated at the hase. Lamelhe large, continued to the margin. Nostrils oval, large, placed in themiddle of the bill. Axat. Char. Trachea with one or two bulhs on the trachea. The inferior larynxwithout a bulb. Melamtta. Boie. Anas. Linn. Oidemia. Flem. Type. Melanitta fusca. The proportions of the skeleton are:—The depth of the keel to the length of the sternum,as 1 to 4|. Br
. A monograph on the anatidae, or duck tribe. itae. Anat. Char. Trachea uno vel duabus bulbis tubula. Larynx inferior non bulboinstructo. Ext. Char. Feet with the posterior toes lobatcd, the outer ones longest. Bill large,elevated at the hase. Lamelhe large, continued to the margin. Nostrils oval, large, placed in themiddle of the bill. Axat. Char. Trachea with one or two bulhs on the trachea. The inferior larynxwithout a bulb. Melamtta. Boie. Anas. Linn. Oidemia. Flem. Type. Melanitta fusca. The proportions of the skeleton are:—The depth of the keel to the length of the sternum,as 1 to 4|. Breadth of the pelvis to its length, 1 to 3|. Length of the femur to that of the tibia,as 1 to If. Depth of cranium to its length, as 1 to 2\. Keel of the sternum not produced tothe posterior extremity. 53 [fULIGULINjE. Affinities. The form of the bill in some of the species of the genus presents an affinity tothe genus Somateria. !n its general form, however, and the structure of the feet, it bears a closeresemblance to the foregoing genus,. FCLIGULINjE.] 54
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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838
