126 



PALMIPEDES. 



Family ANATIBM. (Bonaparte.) 

 Genus Ajs'see. fBrisson.J 



Generic Characters. — Beak as long as the head, or shorter, 

 conic, deeper than thick, and elevated at its base; mandibles 

 furnished with pointed and conical toothlets, formed by the 

 extremities of the transverse lamina; the inferior narrower 

 than the upper; nostrils median, lateral, and simple; thighs 

 placed in the centre of gravity of the body; tarsi thick and 

 elongated; toes of an average length, hind toe free and 

 elevated; chnvs short and obtuse. Yfings medium sized, 

 simple or armed, first and second primary the longest; tail 

 with sixteen or eighteen quills; lore feathered; neck of 

 average length; trachea without folds or swelling in its lower 

 part. 



SNOW G008E. 



Anscr hyperhoreus. 



Anser liyperhoreus, 



Pallas; Spicilegia Zoologica, 



fasc. 6, p. 20, 1780. 

 ViEILLOT; Diet. 1818. 

 Lesson; 1831. TEMMtNcz; 1840. 

 XetseelijN'g et Blasitjs. 

 ScHiNz. Schlegel. 

 BsissoN; Ornith., vol. vi., p. 288. 

 Metee; Tasch. der Deuts., 1806. 



