BLACK GROUS. RASORES. TETRAO. 423 



with three toes before, united as far as the first joint ; and 

 one toe behind short ; the edges of all of them fringed, or 

 furnished with rough prominences. Tarsus feathered to the 

 toes. 



The species forming this genus are polygamous, and in- 

 habit the forests of the mountainous and colder regions. 

 They are natives of high northern latitudes, and of the 

 highest mountains of central Europe. They feed upon the 

 seeds of alpine grasses and low shrubs, the tender shoots of 

 pines and firs, birch, &c. Their flesh is generally juicy, 

 and of high flavour. 



BLACK GROUS. 



TETRAO TETRIX, Linn. 

 PLATE LVIII. and LVIII . 



Tetrao Tetrix, Linn. Syst. 1. p. 272. 2 Fau. Suec. No. 202 Gmel. Syst. 



1. p. 748 Lath. Ind. Ornith. v. 2. p. 635. 3. 

 Urogallus minor, Raii Syn. p. 53. A. 2 Will. p. 124. t. 31 Briss. 1. 



p. 18G. 2. 

 Petit Tetras, ou Coq de Bruyere a queue fourchue, Buff. Ois. v. 2. p. 210. 



t. C Id. PL Enl. 172. and 175. 



Tetras Berkhan, Temm. Pig. et Gall. v. 3. p. 140 Id. Man. d'Ornith. 



v. 1. p. 401. 

 Gabel Schwanziges Waldhuhn, Bechst. Naturg. "Deut. v. 3. p. 1319 



Meyer, Tasschenb. Deut. v. I. p. 205 Frisch, Vo'g. t. 109. male Sup. 



No. 109. female. 

 Black Grous, Black Cock, Black Game, Br. Zool. 1. No. 93. t. 42 Arct. 



Zool. 2. No. 314. C Will. (Ang.) p. l?3. t. 31 Lath. Syn. 4. p. 733. 3. 



Id. Sup. p. 213 Albin. \. t. 22 Leu-ins Br. Birds, 4. t. 133 Mont. 



Ornith. Diet Id. Sup Pull. Cat. Dorset, p. 7. Wale. Syn. 2. t. 181. 



Don, Br. Birds, 4. t. 97 Bewick's Br. Birds. 



PROVINCIAL Heath-Cock, Heath-Poult. 



THE extirpation of that noble bird the Capercail *, or 

 Cock of the Wood (Tetrao Urogallus), which formerly in- 



* The last individual of this species in Scotland was killed, about forty 

 years ago, near Inverness ; previous to which date the breed had become 

 extinct in Ireland. 



