Demands of Civilization. 241 



demands it, though the being, in which it acts, even 

 man himself, may be as ignorant of any reason for 

 its acting, as he is of any reason for sleep or hunger, 

 except that they come in consequence of a certain 

 constitution that he has, he knows not how. 



Of the instincts which belong to the first class, 

 that have the Appetites as their basis, which are 

 common to animals and men, we have already 

 treated very fully, so far as they act by themselves. 



We propose here only to call attention to the. 

 peculiar action of these instincts in the human spe- 

 cies, as needing direction and limitation, from some 

 principle distinct from themselves, and higher. 

 The appetite for food is given to man, as to all 

 other animals ; but the choice of food, its produc- 

 tion, preservation and preparation, are, with man, 

 things to be learned by observation and experiment. 

 Here he stands upon entirely different ground from 

 any of the lower animals. Great advances have 

 been made within a century, in our ability to prop- 

 erly administer to the demands of the appetite for 

 food. Millions of acres of our domain, have been 

 devoted to these experiments, and we have but just 

 begun to learn what is best for men to eat, to meet 

 the demands that are made upon them, and to 

 ward off the diseases to which they are exposed. 

 While man lives like an animal, this is a simple 

 matter ; but under a high civilization, it is complex 

 and demands for its treatment, powers entirely dif- 

 ferent from any thing that we can call instinctive. 

 And civilization is the true state of man, so that 

 II 



