346 INTRODUCTION TO PHILOSOPHY OF SCIENCE 



H. Poincare, Foundations of Science (New York: Science, 1921), 



Science and Hypothesis, Part III. 

 B. Bavink, The Natural Sciences (New York: Century, 1932), 



Part II, Chap. IV. 

 A. N. Whitehead, Principles of Natural Knowledge (Cambridge: 



Cambridge University, 1919), Part II. 





