io6 



SOME HOOFED ANIMALS 



shores of Maryland. Ponies are merely dwarf horses pro- 

 duced in cold countries, as Shetland, 

 ^^ery tropical countries are not 

 tavorable to the pro- 

 ^>^ duction of the 



largest 



Fig. 



Skull of the Horse. 



I, premaxillary bone; 2, upper incisors; 3, upper canines; 4, superior maxillary; 

 5, infraorbital foramen ; 6, superior maxillary spine ; 7, nasal bones ; 8, lachry- 

 mal ; 9, orbital cavity; 10, lachrymal fossa; 11, malar; 12, upper molars; 

 13, frontal; 15, zygomatic arch ; 16, parietal ; 17, occipital protuberance ; 18, oc- 

 cipital crest; 19, occipital condyles; 20, styloid processes; 21, petrous bone; 

 22, basilar process; 23, condyle of inferior maxillary; 24, parietal crest; 25, in- 

 ferior maxillary; 26, lower molars; 27, anterior maxillary foramen; 28, lower 

 canines ; 29, lower incisors. 



and best horses, these being found in the temperate zones. 

 The trotters, pacers, running horses, common 

 dray horses, giant shire horses, are all from 

 the same stock, being the re- 

 ;ult of selection or breeding. 

 The well-broken horse 

 onveys no idea of the spir- 

 ited animal of the plains. 

 In the West, especially 

 in Central California, 

 horses have been lost 

 Fig. 89. — The Wild Ass. from time to time, and 



