MAMMALS. 387 



statement that the antelopes do not shed their horns. 

 Other members of the same group with permanent horns 

 are the sheep and the goats, the series ending with the 

 so-called musk-ox of the arctic regions, a form nearer 

 the goats than to the domestic cattle in its structure. 



As a whole, we may say that in points in structure- 

 especially in the characters of feet and teeth the group 

 of ungulates is among the most specialized of the mam- 



FIG. 172. Prong-horned antelope (Antilocapra americana). 



malia, the whales, bats, seals, and possibly the elephants 

 alone excelling them in this respect. 



ORDER X. CARNIVORA (Beasts of Prey). 



The beasts of prey are specialized in the direction of 

 flesh-eating. Their bones are slender, but strong; their 

 feet (usually five-toed) are furnished with claws ; while on 

 the top of the skull is a crest for the attachment of the 



