28 CLASS MAMMALIA. 



milk, skin, fur, and dung ; their flocks, well managed, 

 carry fertility everywhere. 



Lambs are weaned at two months old, are cas- 

 trated at six, and change their milk-teeth between one 

 and three years old. The young can procreate at a 

 year, and produce till ten or twelve ; gestation con- 

 tinues five months ; they bring two young at a time. 

 The ram arrives at puberty in eighteen months ; and 

 suffices for thirty females. They are fatted when 

 about eight years old. 



The Ox (Bos, Lin.), 



Has the horns directed sideways, turning upward 

 or forward, in form of a crescent ; they are more- 

 over large animals, with a large muzzle, low struc- 

 ture and stout legs. 



The Common Ox {Bos Taurus, L.), Buff. IV. xiv. 



Has for its specific character a flat forehead, 

 rather long than large, and round horns, placed 

 at the two extremities of a ridge which sepa- 

 rates the forehead from the occiput. In the 

 fossil crania which appear to have belonged to 

 this species in a wild state, these horns bend 

 forward, and toward the base ; but in the 

 countless domestic varieties they have very 

 different directions and sizes, and are some- 

 times altogether wanting. The common races 

 of the torid zone have all a lump of fat on the 

 shoulders, and there are some among the num- 



