592 



INDEX. 



Order 4. Gnawing Quadrupeds, Hodeni'm—cjutinued. 

 Kats 



Hamsters . 

 The harvest mouse 

 The squirrels 

 Common squirrel 

 Flying squirrels 

 Porcupines 

 Common porcupine 

 The hares 

 The common hare 

 The rahhit 

 Eat hares 

 Cavies 

 Capybara . 

 Guinea pigs 

 Agoutis 

 Jerboas 

 Order 5. — Toothless Quadrupeds. Edentata 



Includes all quadrupeds having separate toes, without 



incisor teeth 

 Sloths, their structure adapted to their mode of life 

 Armadillos 

 Ant-eaters 



Tamanoir or ant-beai- 



Scaly ant-eaters 



Cape ant-eaters 



Ground hog 



Old age permitted to man alone 

 Older 6. — Carnivorous Quadrupeds 



Caraivora, how distinguishable 

 Teeth 



Canine .... 



False molars 



Lacerator 



Blunt molars 



Differences in the teeth of carnivora 



Differences in the structm-e of their hinder feet 



Plantigrade carnivora 



Bears 



White bear 



Eacoons 



Badgers 



Common badger . 



Glutton 



Digitigrade carnivora, how distingi 



Divided into groups 



Vermiform carnivora 



Polecats . 



Common polecat 



Ferret . 



"Weasel 



Ermine 



Martens . 



uished in walkina; 



