BIRDS OF NORTH AMERICA. 719 
299. Tetrao Urophasianus, Bonap. — Cock of the Plains. 
Upper parts, light yellowish brown, marked with brownish black ; tail, 
with ten bands of yellowish white; throat, whitish, with brown spots ; 
white band across throat; sides of neck, white; breast and abdomen, 
black. Male, 30, 36. Female, 22. Habitat, Rocky Mountains, and Co- 
lumbia River. Nests on the ground. Eggs, seventeen, wood brown, 
with chocolate blotches. 
Tetrao Urophasianus, Bonap. iii.21. Rich. § Swain, ii. 358. Nutt. i. 666. Aud. 
iv. 503; plate 371; Syn. p. 205. 
300. Tetrao Phasianellus, Linn. — Sharp-tailed Grouse. 
Upper parts, variegated with yellowish red, brownish black, and white ; 
tail, white, at base, variegated ; yellowish white band beneath eye ; throat, 
reddish white, with dusky spots; breast and sides, with dusky spots; ab- 
domen, white. Male, 175,23. Habitat, Rocky Mountains. Nests on the 
ground. Eggs, thirteen, white. 
Tetrao Phasianellus, Bonap. Orn. iii. 57. Syn. p. 127. Rich. & Swain. ii. 361., Nutt 
i. 669. Aud. iv. 469; plate 382; Syn. p. 205. 
301. Tetrao saliceti, Swain. — Willow Grouse. 
Plumage in winter, nearly white; tail, black. In summer, head and 
neck, bright chestnut ; upper parts, brownish black, barred with yellow ; 
lower parts, white. Male, 17,264. Female,16, 26. Habitat, from Maine 
north. Nests on the ground. Eggs, fourteen, fawn color, spotted with 
reddish brown. 
Tetrao saliceti, Rich. & Swain. ii. 351. Nutt. i. 674. Aud. ii. 528; plate 191.— 
Lagopus albus, 4ud. Syn. p. 207. 
302. Tetrao mutus, 4ud.— American Ptarmigan. 
In winter, nearly white. In summer, loral black band beyond eyes; 
upper parts, fore neck, and sides, reddish yellow, undulated with brown 
and grayish white ; little white on under parts and only in patches. Male, 
14%. Habitat, Melville Island and Churchill River. 
Tetrao mutus, Rich. §& Swain, ii. 350. Aud. v. 196.—Lagopus Americanus, ud. 
Syn. p. 207. 
303. Tetrao rupestris, Gmel. — Rock Ptarmigan. 
Nearly white in winter. In summer, variegated with black, reddish 
yellow, and white; lower parts, barred with brownish black and reddish 
yellow. Male, 134. Habitat, from Labrador to the Arctic Seas. Eggs, 
reddish brown, spotted with darker brown. 
Tetrao rupestris, Rich. § Swain, ii. 354. Nutt. i. 610. ud. iv. 483; plate 368. — 
Lagopus rupestris, 4ud. Syn. p. 208. 
, 304. Tetrao leucurus, Swain. — White-tailed Ptarmigan. 
In winter, wholly white. In summer, head and neck barred with 
blackish brown and brownish white; upper parts, blackish brown, barred 
with reddish es breast, abdomen, and sides, pale reddish yellow, 
broadly barred with blackish brown; tail, white. Length, 12. Habitat, 
Roeky Mountains. 
Tetrao leucurus, Rich. & Swain. ii. 356. Nutt. ii. 612. Aud. v. 200; plate 418. — 
Lagopus leucurus, Aud. Syn. p 208. 
