• M M
jgopu s moms,
j T e t ra s Planni
t subjects is -beat
i the 'northern part o f the American continent •
arid Russia, countries in which the LttffOpus t
is found in all the mountain "districts o f Scotia
for protection against the severities o f th.c ses
twelve to fifteen in number, have a white grou
placed, without aev dm the hare around.
The sates are only to he d*
trick streak, between the bill as
In summer, the whole of lb
nder sutffoce is greyish whitt
.lingui-shed by the somewhat large? size of the wale, and
id the eyes.
e upper surfoce is jb mutely barred with black and deep ochr
iks are also o f the same colour • the outer feathers o f the te
fa winter, the whole o f the i:
plumage is pure white, except the outer tail-feathers, and the spo
t he Plate represeuts an adult hi the summer plumage, and one In the snowy livery oi winter,
