wo 
ROCK PTARMIGAN. 
times on the various kinds of liverwort. The 
female lays her eggs on the ground ; they are from 
six to ten in number, dusky with reddish brown 
spots ; they are something larger than those of the 
Partridge. 
They are called White Game in this country, 
and their flesh is excellent food, being said to 
taste so like the Black Grous as to be scarcely 
distinguishable from it. 
ROCK PTARMIGAN. 
(Lagopus rupestris.) 
La. aurantius, Jasciis alris liliirisque albis mriiis ; reclricibus 
atris apice albis, intermediis totis albis, loris nigris. 
Orange Ptarmigan, varied with dark fasciae and white stripes ; 
the tail-feathers dusky, with white tips the two middle 
ones entirely white, the lores black. 
Tetrao rupestris. GmeL Spst. Nat. 1. 751. — Lath. Ind, Orn. 2. 
640. 11, 
Tetrao Lagopus. xiar. Temm. Gall. hid. 708. 
Tetrao Alpinus, var. Nilss. Orn. Succ. 1.311.? 
Rock Grous. Penn. Arct, Zool. 2. 184. — Lath. Syn. Sup. 217. 
17. 6 . 
Latham makes mention of this bird in the fol- 
lowing terms : “ At Hudson’s Bay a white Grous, 
seemingly of a different species, is observed. In 
size it is less by one third. It is exactly like the 
other in colour, exceptipg it has a black line from 
