BRITISH TURF. 95 



The extremities of the first are armed with claws, 

 or nails, which enable them to grasp, to climb, or 

 to burrow. The extremities of the second tribe, 

 are employed merely to support and move the 

 body. 



The extremities of the horse are covered with 

 a hoof, by which the body is supported, and with 

 which he cannot grasp anything, and therefore 

 he belongs to the tribe ungulata or hoofed. 



But there is a great variety of hoofed animals. 

 The elephant, the rhinoceros, the hippopotamus, 

 the swine, the horse, the sheep, the deer, and 

 many others, are ungulata or hoofed. They admit 

 however, of an easy division. Some of them 

 masticate or chew their food, and it is imme- 

 diately received into the stomach, and digested ; 

 but in others, the food, previous to digestion, 

 undergoes a very singular process ; it is returned 

 to the mouth, to be re-masticated or chewed 

 again. These are called ruminantia or ruminantSy 

 from the food being returned from one of the 

 stomachs, (for they have four) called the rumen ^ 

 or paunch, to be chewed again. 



The ungulata that do not ruminate, are some- 

 what improperly called pachydermata, from the 

 thickness of their skins. .The horse does not 

 ruminate, and therefore belongs to the order 

 pachydermata. 



The pachydermata who have only one toe, 

 belong to the family solipeda, single-footed. There- 



