203 



Order X.— GALLING. 



Family TETBAONIBJE. (Bonaparte.) 



Genus Tetrao. (Linnaeus.) 



Generic Characters. — Beak short, strong, naked at the base; 

 superior mandible arched, convex, and curved from its origin. 

 Nares basal, half covered by an arched membrane, hidden 

 by the forward feathers of the forehead; eyebrows naked, 

 garnished by red papilla?. Feet with three toes in front, 

 united as far as the first articulation; one toe behind, short: 

 the edges of all pectinated. Tarsi feathered to the toes, and 

 often even to the claws. Tail composed of sixteen or eighteen 

 feathers. Wings short; the first primary short, the second 

 shorter than the third, fourth, and fifth, which are the 

 longest. 



HAZEL GKOUSE. 



Tetrao bonasia. 



Tetrao bonasia, 

 Gallina corylorum, 

 Bonasia, 



Bonasia sylvestris, 

 Tetrastes bonasia, 

 Gelinotte commune, 

 Gemeines Haselhuhn, 

 Francolino di Monte, 

 Hjerpe, 



Linnaeus, 1766. 



Aldrovandus, 1599. 



Brisson, 1760. 



Bonaparte, 1838. 



Keyserling et Blasius, 1840. 



Oe the French. 



Oe the Germans. 



Savi. 



Of the Swedes. 



