ARISTOTLE 



and when we have discovered what are its actual 

 characteristics we may then go on to work out its 

 Causes and to examine the processes by Λvhich it was 

 produced. 



Syiiojisis I give a brief synopsis and a contents-summary 

 Summrry! «f the De partibus : 



BRIEF SYNOPSIS OF DE PARTIBUS 

 Introduction : Methods. 



Composition of Substances : Three modes : 



(1) The primary substances. 



(2) The " uniform " parts. 



(8) The " non-uniform " parts. 

 Consideration of (1) Hot, cold, solid, fluid. 



(2) Uniform parts : (a) fluid, (6) solid. 



(3) Non-uniform parts, as foUows : — 

 External parts of animals. 



Internal parts of blooded animals. 

 Internal parts of bloodless animals. 

 External parts of bloodless animals. 

 External parts of blooded animals (resumed), 

 (a) Vivipara. (b) Ovipara. 



SUMMARY 



Book I. 



639 a 15 ch. 1 Introduction. On the Method of Natural 

 Science. 



Two questions propounded : 



(1) Are we to begin with the ultimate 

 species and describe its characteristics, 

 or with those that are common to 

 many species .'' 

 12 



