316 TETRAONiniE. 



now spread eastwards and northwards to Fife, Forfarshire, 

 Aberdeenshire, Ross-shire, and Cromarty, while westwards 

 and southwards it is found in Argyllshire, Ayrshire, Dum- 

 fries-shire, Wigtownshire, etc. In time it will no doubt be 

 found ill all suitable large woods. Formerly it was indi- 

 genous all over Great Britain and Ireland ; in England and 

 Wales it became extinct at some unknown period, but in 

 Scotland and Ireland it existed until about 1760-70. 



General Distribution. — The Capercaillie inhabits the pine- 

 forests of Europe, and northern and central Asia as far east as 

 Lake Baikal. In Scandinavia it is found south of 70° N. lati- 

 tude, and thence eastwards through Russia and west Siberia 

 to the Lena south of about 67° N. Southwards its range 

 extends tx> the Cantabrian Mountains, Pyrenees, Alps, Car- 

 pathians, Balkans, north-east Turkestan, and the Altai 

 Mountains. In the Ural Mountains it is represented by 

 the paler form T. u. uralensis ; in north-east Siberia and 

 the Island of Saghalien by T. parvirostris ; and in Kamchatka 

 by T. p. kamtschaticus. 



Genus LYRURUS Swainson, Faun. Bor. Amer. ii. 1832, 



p. 497. 



Type : L. tetrix (Linn.). 



Lyrurus, from Xipa = a lyre, and ovpa = a tail. 



Lyrurus tetrix. (Extra-limital.) 



Lyrurus tetrix britannicus. British Black 

 Grobse. 



Lyrurus tetrix britannicus Witherhy Sf Mnnherg, 

 'British Birds,' vi. 1913, p. 270: Dumfries-shire', 

 Scotland. 



Tetrao tetrix Linn. ; B. O. JJ. List, 1st ed. 188.3, p. 145 ; 



Saunders, Manual, 2nd ed. 1899, p. 493. 

 Lyrurus tetrix Ogilvie- Grant, Cat. Birds B. M. xxii. 1893, p. 53 



(part.). 



Tetrix = rerpii, a bird mentioned \>j Aristotle ; of. Tetrao. Britannicut = 

 British. 



