TETRAO 



BLACK 



TETRIX. 



G R 0 U S. 



Generic Character. See Tetrao Urogallus. 

 Synonyms. 



Tetrao Tetrix. Lin. Syfl. 1. p. 274. 2. Lnd. Orn. 

 2. A 635. 3. 



Black Grous or Game, B lack-Cock, Heath- 

 Cock. Br. Zool. 1. 93. tab. 42. Ib.foL 85. tab. M. 



fig. 1, 2. Ztf/#. 4. 733. 3. 

 Lb. fupt. p. 21%. Mont. Orn. Diet. 

 Vol. 1. Bewick's. Br. Birds, Pt. 1. 



P> 2 97- 



JLjENGTH of the male nearly two feet, breadth about 

 thirty-four inches, weight generally four pounds. Bill fhort, 

 and very ftrong; eyes varying in different lights, from hazel 

 to blue, and frequently feem to have an orange ca'ft ; they aire 

 furrounded on the upper fide by a bare granulated fcarlet fldn, 

 which in the breeding feafon is much dilated, and frequently 

 extends to near the top of the head ; beneath the eyes is a 

 dufky white patch, which in old birds is very confpicuous, but 

 fcarcely to be noticed till after the fecond year ; tail compofed* 

 of fixteen feathers, the outfide ones of which are the longeft,. 

 and curve outward, the tips of thefe are nearly fquare ; legs 

 ftrong, and thickly covered with hair-like feathers % toes 

 ferrated. 



The 



