324 SHEEP AND GOATS CHAP. 
to the Thibetan plateau are O. hodgsoni and O. nahura. Corsica 
has the Mouflon, 0. musimon; and the Barbary Sheep or Arui, 
O. tragelaphus, is found only in Northern Africa. Ovis burrhel 
and O. blanfordi are Indian forms. 
Ovis nahura is chiefly responsible for the impossibility of 
strictly separating the Sheep and Goats. It has no suborbital 
glands or lachrymal fossae, which are as a rule present in the 
Fie, 174.—Thar. Capra jemlaica. x»). (From Nature.) 
Sheep and absent from the Goats. On the other hand inter- 
digital glands are present, which is the case with Sheep. Its 
habits, too, are a blending of those of the Sheep and the Goat. 
It lives largely on undulating ground like Sheep, and frequently 
lies down during the day on its feeding ground. On the other 
hand it is, like the Goats, a splendid climber. 
The Goats, genus Capra, differ from the Sheep in their slighter 
build and in the fact that the horns are not spirally curved, but 
arched over the back. There is also the characteristic beard, 
