CHAPTER XVII 

 ORIGIN OF DOMESTICATED ANIMALS 



Domesticated mammals • The dog • The horse • The ass • The ox • The sheep • 



The goat • The pig • The cat • Domesticated birds • The hen • The goose • The 



duck • The turkey • The peacock • The swan • The guinea fowl • Additional 



races and semidomestication • Unwelcome domestication 



As the subject matter of Part II constitutes an application of 

 the principles discussed in the early chapters, we are ready at 

 once to proceed, without special introduction, to the detailed study 

 of the origin of special races of domesticated animals. 



Domesticated Mammals 



The dog (Canis familiaris). Of all the wild animals that have 

 been brought into the service of man, some form of dog was 

 undoubtedly the first, for 

 reasons brought out in the 

 chapter, How Animals came 

 to be Domesticated. His 

 exact origin is of course un- 

 known, but he has numerous 

 wild relatives in all parts of 

 the world, not only within 

 historic times but even to 

 the present day. The near- 

 est of these are the wolf and 

 the jackal in their various 

 forms, both of which are said to breed freely with the domes- 

 tic dog upon opportunity, and both of which, more especially 

 the wolf, have been frequently domesticated. The Indian, for 

 example, kept numerous "dogs," mostly developed from the 



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Fig. 34. The collie, one of the finest 

 domesticated types 



