THE STORY OF THE 

 LIVING MACHINE 



A REVIEW OF THE 



CONCLUSIONS OF MODERN BIOLOGY IN REGARD 



TO THE MECHANISM WHICH CONTROLS THE 



PHENOMENA OF LIVING ACTIVITY 



BY 



H. W. 



_ 



PROFESSOR OF BIOLOGY IN-^ESLEYAN UNIVERSITY 



AUTHOR OF THE STORY OF GERM LIFE, 

 EVOLUTION OF TO-DAY, THE LIVING WORLD, ETC. 



WITH FIFTY ILLUSTRATIONS 



NEW YORK 



D. APPLETON AND COMPANY 

 1899 



IS 



