. A monograph on the anatidae, or duck tribe. ANSERIN .!•..] 14. GENUS III. BERNICLA. Ext. Char. Pedes parvi, digitis posterioribus non lobatis, unguibus magnis instniclis.Tarsi elongati. Rostrum parvum, capite brevius. Nares lincares, in medio rostri positne. Anat. Char. Trachea tubula ecpiali. Larynx inferior ossea aliquando bulbosa. Ext. Char. Feet small, with the posterior toes not lobaled; the nails large. 7amelongate. Bill small, shorter than the head. Nostrils linear, placed in the middle of the bill. Anat. Char. Trachea with the tube of equal size. The inferior Larynx osseous butnot bu

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. A monograph on the anatidae, or duck tribe. ANSERIN .!•..] 14. GENUS III. BERNICLA. Ext. Char. Pedes parvi, digitis posterioribus non lobatis, unguibus magnis instniclis.Tarsi elongati. Rostrum parvum, capite brevius. Nares lincares, in medio rostri positne. Anat. Char. Trachea tubula ecpiali. Larynx inferior ossea aliquando bulbosa. Ext. Char. Feet small, with the posterior toes not lobaled; the nails large. 7amelongate. Bill small, shorter than the head. Nostrils linear, placed in the middle of the bill. Anat. Char. Trachea with the tube of equal size. The inferior Larynx osseous butnot bulbous. Bernicla. Steph. Anas. Linn. Type. Bernicla jubata. The proportions of the skeleton are as follows:—Depth of the keel to the length of thesternum, as 1 to 3|. Breadth of the pelvis to its length, as 1 to 2. Length of sternum to thatof tibia, as 1 to If. Height of cranium to its length, as 1 to 2. The keel is not continued tothe posterior extremity of the sternum. Affinity. Nearly allied, both in anatomy and habit, to the preceding and following. KALE