48 



\'i;k rKi:K.\ri:s ; mammals. 



^\'ard, tlicn spirall}- cuiA'ccl forward, and ycUowish- 

 bi'iTwii in color. The ]\Iountain Sheep, or Big-horn, 

 of the Rock\' Mountains, is much larger than the 

 Domestic Sheep, and has \'ery large horns. The hair 

 is of a gra"\' color and very coarse. 



Goats ha\e the horns directed upward and back- 

 ward, and the chin usually has a long beard. The 

 wild kinds lixe upon high and rugged mountains, most 

 of them in Asia. The \\"ild Goat of Persia is supposed 

 to be the parent of the common Domestic Goat. The 

 Cashmere Goat of Thibet is celebrated for its fine wool. 

 Its hair is long and silky ; under it is a delicate gray 

 wool, of ^\-hich the costly Cashmere shawls are made. 



The Musk Ox. 



The Musk Ox, of Arctic America, is of the size of a 

 small Cow, with very long, dark-brown, silky hair. It 



68. — Musk O.K. 



lives m herds, sometimes numbering nearly one hun- 

 dred. It feeds upon grass in the mild season, and in 



