. A monograph on the anatidae, or duck tribe. FCLIGULINjE.] 54. GENUS III. SOMATERIA. Ext. Char. Pedes digitis posterioribus lobatis, extends mediis equalibus. Rostrummediocre ad basin elevatum, et ad apicem angustatum. LamelUe non ad apicem continuatae. Anat. Char. Trachea tubulii equali. Larynx inferior bulbosum osseum, bronchiasinistra maxima. Ext. Char. Feet with the bind toes lobated, the external ones equal to the middle. Billmoderate, with the base elevated, and narrowed towards the tip. The Lamella not continued tothe apex. Anat. Char. Trachea with the tubes of equal size throughout. T
. A monograph on the anatidae, or duck tribe. FCLIGULINjE.] 54. GENUS III. SOMATERIA. Ext. Char. Pedes digitis posterioribus lobatis, extends mediis equalibus. Rostrummediocre ad basin elevatum, et ad apicem angustatum. LamelUe non ad apicem continuatae. Anat. Char. Trachea tubulii equali. Larynx inferior bulbosum osseum, bronchiasinistra maxima. Ext. Char. Feet with the bind toes lobated, the external ones equal to the middle. Billmoderate, with the base elevated, and narrowed towards the tip. The Lamella not continued tothe apex. Anat. Char. Trachea with the tubes of equal size throughout. The inferior Larynxbulbous, the left bronchia largest. Anas. Linn. Somateria. Leach. Type. Somateria 7>iollissima. Affinity. In the form of the inferior larynx this genus approaches near the Anatina.
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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838
