The Zoolog}' of North American Big Game 



lars in having two lobes instead of one. The 

 stomach Is always more or less complex; at its ex- 

 treme reaching the ruminant type with four com- 

 partments, in association with which is a caecum 

 reduced in size and simple in form. Nearly all 

 have horns or antlers, at least in one sex. 



Most split-hoofed animals are ruminants, but 

 there is a small remnant, probably of early types, 

 which are not. The present ungulates may be 

 summed up in this way : 



Odd-toed : (Perissodactyla) — Horse, Ass, 



Rhinoceros, 

 Tapir. 



Even-toed : (Artiodactyla) — 



Non-ruminants — Hippopotamus, 



Swine, 

 Peccaries. 



Ruminants^ — Camels, Llamas, 



Chevrotains, 

 Giraffe, 

 Antelopes, 

 Sheep, Goats, 

 Musk-ox, 

 Oxen. 

 Deer. 



The non-ruminant artiodactyls need not detain 

 us long. Hippopotamuses are little more than 

 large pigs with four toes ; they were never Ameri- 

 can, though many species, some very small, are 



57 



