HAZEL GROUSE. !!& 



GALLINiE. 



Famihj TETRAONIDuE. {Bonaparte:) 



Genus Tetrao. {Lmncetcs.) 



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 papillse. 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 GEOUSE. 



Tetrao honasia. 



Telrao honasia, Linn^us, 1766. 



OaJlina corylorum, Aldrovandus, 1599. 



Boiiasia, Brisson, 1760. 



Bo?iasia sylvestris, Bonaparte, 1838. 



" behdina, Salvadori. 



Tetrastes bonasia, Keyserling et Blasius, 1840. 



" europcsa, Gould. 



" hetulina, Scopoli. Gray; H. L. 9832. 



Gelinotte commune, O?" the French. 



Gemeines Hiiselhiihn, Of the Germans. 



Fra?tcolino di Monti, Savi. 



HJerpe, Of the Swedes. 



Specific Characters. — Feathers of vertex elongated; tail round, with a black 

 fascia tipped with grey on all the lateral feathers; inferior parts of the 

 tarsi and the toes naked; throat black in the male, yellow in the female. 

 Length thirteen inches and a half; from carpal joint to tip of wing six 

 inches and a half; tail six inches; tarsi one inch; beak nine lines. 



