LAGOPUS TETRAO 695 



brownish horn ; iris dark hazel. Culmen I'O, wing 7*82, tail 4*95, 

 tarsus 1-2 inch. In the autumn dress it is browner than L. mutus. The 

 female is yellower and more ochreous in tone than the female of L. mutus. 

 In the winter both sexes are white like L. mutus. 



Hob. Iceland ; Greenland ; Northern Asia ; Kamchatka ; 

 Bering Island ; Aleutian Islands ; Arctic North America and 

 Newfoundland. 



In habits and nidification this bird does not differ from 

 L. mutus, and its eggs are undistinguishable from those of that 

 species. 



971. SUBSP. LAGOPUS HYPERBOREUS. 



Lagopus hyperloreus, Sundevall, in Gaim. Voy. Scand. Atl. Livr. xxxviii. 

 and pi. (1838) ; Elliot, Monogr. Tetr. pi. 24 ; Ogilvie Grant, Cat. 

 B. Br. Mus. xxii. p. 51 ; L. hemileucurus, Gould, P.Z.S. 1858, 

 p. 354 ; Dresser, vii. p. 179, pi. 482. 



( ad. (Spitsbergen). Differs from L. rupestris in having the tail white 

 at the base and tip, black only in the middle, the two middle feathers 

 white with an irregular o\ 7 al black mark in the middle, and the outside 

 feathers broadly edged with white. Culmen 0'7, wing 7*6, tail 5*8, 

 tarsus 11 inch. 



Hob. Spitsbergen. 



In habits and nidification this bird does not differ from 

 L. mutus and L. rupestris. 



TETRAO, Linn., 1766. 

 972. CAPERCAILLY. 

 TETRAO UROaALLUS. 



Tetrao urogallus. Linn. Syst, Nat. i. p. 273 (1766) ; Naum. vi. p. 277, 

 Taf. 154, 155 ; Hewitson, i. p. 277, pi. Ixix. fig. 2 ; Gould, B. of E. 

 iv. pi. 248 ; id. B. of Gt. Brit. iv. pi. 5 ; Dresser, vii. p. 223, pis. 489 

 fig. 2, 490 ; Ogilvie Grant, Cat. B. Br. Mus. xxii. p. 60 ; Saunders, 

 p. 491 ; Lilford, iv. p. 101, pi. 44. 



Coq de bruydre, French; Gran Gctllo de'bosque. Span.; Gallo 

 cedrone, Ital. ; Auerhalin $ and -huhn $ , German ; Tjur, Dan. ; 

 Tiur $ , Ebj , Norweg. ; Tjdder, Swed. ; Gukca $ , Koappil $ , 

 Lapp. ; Metso $ , Koppdo $ , Finn. ; Glouhar $ , Kopoluha $ , Russ. 



$ ad. (Sweden). Head and neck slate-grey narrowly barred with 

 black ; chin-feathers much elongated, black glossed with purple ; back, 

 scapulars, and wing-coverts dark reddish brown vermiculated with black ; 

 rump and upper tail-coverts black vermiculated with greyish white, the 

 latter tipped with white ; tail rounded, black, some of the feathers marbled 

 with white, which forms an irregular band ; quills brown externally 



