The Evolution of the Sciences 



eternal. This is as it should be, because a 

 nation must organise its scientific life, settle the 

 programme of the various branches of instruction, 

 fix the number and the function of their labora- 

 tories precisely in accordance with this logic 

 of the day. The following table gives the 

 official classification of scientific studies in 

 lycees and universities in France. 1 



Sciences of Numerical Magnitudes 

 (Arithmetic, Algebra, Trigo- 



Mathematical 

 Sciences 



nometry). 

 Sciences of Space (Pure, Analytical 



and Descriptive Geometry). 

 Sciences of Movement (Mechanics). 

 ^Astronomy. 



{Physics. 

 Chemistry. 

 Crystallography. 

 /Zoology. 

 | Botany. 



Natural Sciences -/ Mineralogy. 

 ! Geology. 

 I Animal and Vegetable Physiology. 



This table, though incomplete, gives an 



1 We take here the word science in its most restricted 

 application, leaving out Sociology, Geography and the other 

 branches of knowledge which official classification leaves 

 without good reason outside the circle of official sciences. 



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