96 INTRODUCTION TO SCIENCE 



individual development, can be lumped in the 

 conception of Growth.] 



Biology is further subdivided, by Pearson, into 

 three great divisions, according as it deals (a) 

 with form and structure (Morphology, Anatomy, 

 Histology, etc.) ; (6) with growth and reproduction 

 (the topics dealt with in the Evolution of Sex, 

 the Theory of Heredity, and Embryology); and 

 (c) with functions and actions, which may be 

 studied from the physical side (Physiology) or 

 from the mental side (Psychology). The branch 

 of Psychology which deals with men in the group 

 is Sociology, which falls into such branches as 

 the Science of Morals, the Science of Politics. 

 Political Economy, and Jurisprudence. 



PEARSON'S SCHEME 



(In outline only.) 



ABSTRACT SCIENCE: Logic. Mathematics, Sta- 

 tistics, Applied Mathematics, a cross-link 

 between Abstract and Concrete Science. 



CONCRETE SCIENCE: (1) The Physical Sciences 

 including Precise Physical Sciences (Phys- 

 ics of the Ether, Atomic Physics, Molecu- 

 lar Physics, Molar Physics) and Synoptic 

 Physical Sciences (Chemistry, Mineralogy, 

 Geology, Geography, Meteorology, etc.). 

 (2) The Biological Sciences including 



