156 A GUIDE FOR THE STUDY OF ANIMALS 



Morphology and physiology. 



3. The dentition of the cat, the dog, and the bear. Vari- 

 ation in the " chewing teeth." 



4. Three types of paired appendages among carnivora. 

 Relation to habitat. 



5. The difference in structure and use of the posterior 

 legs of the seal and walrus. 



6. The alimentary canal of a cat and rabbit compared. 



7. The tongue of cats and dogs contrasted as to struc- 

 ture and use. 



Economics. 



8. The difference between hair and fur. 



9. The fur-bearing carnivora. Families, and habitat. 



10. Trapping. 



11. Game laws and game wardens. Hunters' licenses. 



12. Hunting big game. 



13. Carnivora harmful to man. 



14. Carnivora useful to man. 



15. Carnivora as pets. 



16. Chief types or breeds of domesticated dogs. Char- 

 acteristics. Special value of each. 



1 7. Chief types or breeds of domesticated cats. 



18. Dogs as burden bearers. 



Natural History. 



19. Distribution and range of carnivora. Carnivora of 

 the United States. 



20. Winter habits among carnivora. 



21. Food of carnivora. Various methods of obtaining it. 



22. The hunting habits of the dog and cat family. 



23. The habits and distribution of the raccoons. 



24. The color schemes of the more important families 

 of the carnivora. 



