PART I 



THE MEANING OF DOMESTICATED RACES AND 

 THE MANNER OF THEIR IMPROVEMENT 



CHAPTER I 



THE DEPENDENCE OF MAN UPON DOMESTICATED ANIMALS 

 AND PLANTS 



Animals and plants as sources of food • As sources of clothing • As sources 

 of shelter • Vegetable products as sources of heat and light • Dependence of 

 man upon animal labor • Animals a means of recreation • Animals and plants 

 as sources of raw material for manufacturing purposes • Medicinal properties 

 of animals and plants • The business of farming 



Few realize the extent of our dependence upon the plant and 

 animal life about us, and the variety of ways in which domesti- 

 cated animals and cultivated plants have been made to serve the 

 interests and forward the plans and purposes of man. 



Animals and plants as sources of food. Aside from air and 

 water there is no article of food, common or uncommon, that 

 does not come directly from the animal or the plant. 



Meat, milk, and eggs, the three standard animal foods, repre- 

 sent the body and its products. Bread, however made, represents 

 the starchy seeds of certain plants, and edible oils are invariably 

 of either plant or animal origin. 



To these staples we add, for luxury and for health, a great 

 variety of fruits and vegetables, not to mention sweets, but they 

 all arise from plant life somewhere in the world. 



Most of the food plants are cultivated, and most of the 

 animals are domesticated. The savage may live by the hunt, 

 but it is one of the first evidences of civilization that a race 



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