ANALYSIS OF CONTENTS 



Chap. I. The origin of all movement must itself be un- 

 moved. So if there is to be animal movement, something 

 in the animal must be at rest. Hence joints are necessary. 



II. There must also be a resisting medium external to the 

 moving animal. Illustration from the rowing of a boat. 



III. The nature of the " prime mover." The fable of 

 Atlas. 



IV. The " prime mover " is of necessity outside the 

 universe. The movement of inanimate things must 

 originate from animate things. 



V. Alteration, growth, generation and corruption as 

 forms of motion. 



VI. How does the soul move the body .'' Animal move- 

 ment lies in the sphere of action. Its limitation in com- 

 parison with eternal movement. 



VII. Animal movement the result of the syllogism of 

 action, not of the speculative syllogism. Animal move- 

 ment compared with that of automatic toys. 



VIII. TTie psychology of animal movement and the 

 organic changes which accompany it. The cause of move- 

 ment must be situated in a definite origin. 



IX. The two sides of the body are similar and can move 

 simultaneously : both are moved by the soul. 



X. The motive power is " innate spirit." Comparison 

 between the animal organism and a well-ordered civic 

 community. 



XI. Involuntary and non-voluntary movements. Con- 

 clusion. 



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