14 HUMAN PHYSIOLOGY 



attitudes have been illustrated by profound thinkers. A 

 pupil of one type will underrate the complexity of the 

 problems he hears about and will become a mechanist of 

 the crass and confident sort. Another will doubt the 

 value of all attempts to penetrate such an intricate maze. 

 To the temperate mind there should be apparent at one 

 and the same time the profit that will continually 

 accrue from research and the unlimited extent of the 

 work still to be done. 



The last chapter of this book has the character of an 

 appendix and is designed more for the teacher than for 

 the student. 



