BIRDS TETEAONIDAE — LAGOPUS ALBUS. 633 
Size smaller. Bill slender, rather compressed at tip. The distance from the nasal groove to 
the tip of hill decidedly greater than the height of the bill. Male with a black stripe through 
the eye , L. rupestris. 
Tail feathers entirely wliite. 
No black whatever in the winter bird L, leucurus. 
Comparative measurements of species. 
Catal. No. 
Species. Locality. 
1 
i 
m 
Length. 
Stretch of 
wings. 
g 
Tail. 
Eh 
Middle toe. 
1 Its claw 
| alone. 
| Bill above. 
Along gape. 
Specimen 
measured. 
Remarks. 
2852 
8080 
1968 
8084 
4520 
4518 
do. 
4519 
do. 
2031 
6923 
6924 
8081 
8085 
8086 
2494 
8083 
8082 
2854 
2853 
Lagopus albss . .. 
... ...do 
do 
do 
do 
do 
$ 
16.10 
16.60 
8.10 
7.50 
5.02 
5.07 
5.34 
5.58 
5.33 
5.14 
5.35 
1.56 
1.42 
1 50 
1.52 
1.49 
1.62 
1.74 
1.80 
1.52 
1.88 
1.86 
1.90 
1.93 
0.52 
0.75 
0.35 
0.74 
0.68 
0.68 
0.62 
6.86 
O.'SO 
0.87 
0.76 
0.76 
0.86 
0.87 
0.86 
0.88 
0.83 
0.84 
0.80 
Skin .... 
Skin .... 
Skin .... 
Skin 
Hudson's Bay 
Summer. Very much 
stretched. 
Winter 
Hudson's Bay 
Trois Rivieres, between 
Montreal and Quebec. 
St. John's, N. F. 
16.50 
14.00 
14.80 
7.74 
7.60 
7.50 
7.16 
7.25 
8.20 
8.50 
7.60 
8.10 
7.50 
7.70 
7.70 
7.50 
7.70 
7.80 
7.60 
Skin 
Skin 
February 
15.20 
13.0(1 
14.40 
16.00 
17.80 
16.20 
15.00 
14.90 
24.50 
24.00 
do 
do 
1.40 
1.76 
0.58 
0.75 
0.78 
do 
do 
do 
Lagopus alpinus ? 
do 
do 
do 
Lagopus rupcs-trit-: 
5.48 
5.90 
5.02 
5.05 
4.50 
4.60 
4.64 
4.86 
5.43 
4.82 
4.48 
4.50 
4.20 
4.24 
1.57 
1.57 
1.42 
1.30 
1.30 
1.25 
1.36 
1.34 
1.10 
1.16 
1.80 
1.90 
1.52 
1.50 
1.32 
0.66 
0.74 
0.85 
0.60 
0.60 
0.44 
0.77 
0.77 
0.76 
0.70 
0.67 
0.70 
0.68 
0.70 
0.66 
0.70 
0.70 
0.70 
0.70 
0.80 
0.84 
0.81 
0.80 
0.80 
0.84 
0.78 
0 88 
0.86 
0.80 
0.80 
0.78 
0.79 
0.82 
Very much stretched 
Norway ? perhaps N.Am. 
s 
14.00 
14.50 
13.00 
12.80 
Skin .,, 
Mid. claw wanting. 
1.62 
1.50 
1.37 
1.30 
1.32 
1.48 
1.42 
0.66 
0.64 
0.04 
0.43 
0.50 
0.46 
do 
Skin 
13.00 
2855 
10082 
10081 
do. 
1269 
13.50 
7.00 
7 10 
Lagopus leucurus. 
do 
1.16 
Skin.... 
Very poor specimen. 
do 
13.00 
15.00 
21.00 
7.00 
7 54 
Lagopus mutus. . 
5.00 
0.81 
Summer. Claws 
wanting. 
LAGOPUS ALBUS, A u d . 
Willow Grouse ; White Ptarmigan. 
Tetrao albus, Gmelint, I, 1788, 750. (Hudson's Bay.) 
Lagopus albus, Am. Syn . 1839, 207.— Ib. Birds Amer. V, 1842, 114 ; pi. 299, 
Tetrao (Lagopus) albus, Nbttall, Man. I, 2d ed. 1840, 816. 
? Tetrao lagopus, Forster, Phil. Trans. LXII, 1772, 390. 
Tetrao saliceti, Sabine, App. Franklin's Narr. 681. — Rich, App. Parry's 2d Voyage, 347. — Aud. Orn. Biog. II, 
1834, 528 ; pi. 191. 
Tetrao (Lagopus) saliceti, Svvainson, F. Bor. Am. II, 1831, 351. 
White Grouse, Pennant. 
Sp. Ch. — Bill very stout. Bill as high as the distance from the nasal groove to its tip. In summer, rufous or orange chestnut 
on the head and neck ; the feathera of back black, barred rather closely with yellowish brown and chestnut. In winter, white ; 
the tail black, but no black through the eye. Length, 15.50 ; wing about 8.00 ; tail about 5.00. 
Hab.— Northern America. Rare in northern parts of United States. 
July 7, 1858. 
80 b 
