322 AMERICAN: SHEEP CHAP. XI 
7 inches, and height 3 feet 10 inches. The horns of this fine 
Sheep may measure more than five feet round the curves. 
The Rocky Mountain Bighorn (0. montana) is a Sheep ranging 
along the Rockies as far south as New Mexico, and also to the 
far north; they are not confined to the chain of mountains 
mentioned, but occur also on the mountains of British Columbia 
down to those of California. The horns are not quite as large 
Frc. 171.—Himalayan Burrhel Sheep. Ovis burrhel. x 5. (From Nature.) 
as those of the last species, but measurements give a length 
(along the curve) of 32 to 40 inches. 
Just as the Goats are often limited to islands and small 
stretches of country, so are the Sheep. Thus Cyprus has a 
species, O. ophion, peculiar to itself. This, which is known as 
the Cyprus Mouflon, is limited to a range of mountains, the 
Troodos, in that island. In 1878 it was believed that the 
animal was nearly exterminated, a flock of twenty-five members 
alone surviving. They have, however, since increased. Confined 
