PARTS OF ANIMALS 



spurious), in which observations are recorded, and 

 consequent upon this are the treatises in which 

 Aristotle puts forward theories founded upon these 

 observations. 



An animal is, according to Aristotle, a " concrete 

 entity " made up of " matter " and " form." Hence, 

 in the De part'ibus Aristotle treats of the causes on 

 account of which the bodies- — the " matter " — of 

 animals are shaped and constructed as they are, in 

 general ; in the De incessu he deals specially with 

 the parts that subserve locomotion. In the De anima 

 he proceeds to consider Soul — the " form " of an 

 animal. In the remaining treatises, of which De 

 motu, included in this volume, is one, he deals Avith 

 what he calls the functions " common to body and 

 Soul," among which he includes sensation, memory, 

 appetite, pleasure, pain, waking, sleeping, respira- 

 tion, and so forth (see De sensu 436 a). The complete 

 scheme is set out below : 



I. Record of observations. 

 Historia animalium. 



10 (9) books. 



II. Theory based upon observations. 



(«) 



De part'ibus 

 animalium 



De incessu 

 animalium 



(b) De anima 



treating of the way in 

 which the ' ' matter " 

 of animals is ar- 

 ranged to subserve 

 their various pur- 

 poses. 



(treating of the "form" 

 of animals — the 

 Soul. 



9 



4 books 



1 book 



