PREFACE vii 



moon, and the stars, and that is to most minds 

 convincing evidence of Divine purpose and 

 omnipotence. Dimly perceiving these facts we 

 stand lost in wonder and admiration of the 

 delicate, intricate, almost perfect machinery of our 

 bodies which has been gradually evolved ; then 

 we turn our minds to contemplate the Machinist, 

 and words fail. The materialist here may think 

 that he has sounded the depths and touched 

 bottom, but the spiritual mind will see only more 

 cause for adoration, and further will realize that 

 the Divine scheme of evolution is far from its 

 goal as yet. We, as doctors, must be devoutly 

 thankful for the new knowledge that will enable 

 us to cope more effectually with the misery of 

 disease. 



Dr. Louis Berman, of Columbia University, 

 eloquently says : " Our knowledge of the glands of 

 internal secretions as an interlocking directorate 

 presiding over all the functions of the organism 

 is still exceedingly meagre. As yet we seem to be 

 knocking at the portals of the chemistry of the 

 imponderable. There are holes in the bronze 

 doors, and we glimpse the unfathomable distances 

 of unexplored regions. But we do see something, 

 and we do glimpse a beginning. Already the 

 outlines of a differential anatomy, a differential 



