FCLIGULINjE.] 



54 



GENUS III. SOMATERIA. 



Ext. Char. Pedes digitis posterioribus lobatis, extends mediis equalibus. Rostrum 

 mediocre ad basin elevatum, et ad apicem angustatum. LamelUe non ad apicem continuatae. 



Anat. Char. Trachea tubulii equali. Larynx inferior bulbosum osseum, bronchia 

 sinistra maxima. 



Ext. Char. Feet with the bind toes lobated, the external ones equal to the middle. Bill 

 moderate, with the base elevated, and narrowed towards the tip. The Lamella not continued to 

 the apex. 



Anat. Char. Trachea with the tubes of equal size throughout. The inferior Larynx 

 bulbous, 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. 



