SURGICAL METHODS IN PHYSIOLOGY. 1!) 



repetition of the same operations, I am convinced of the magnificent 

 success which attends cleanliness, possibly in even a more striking way 

 than the surgeon. It has preserved numerous animals alive and spared 

 our operating staff both time and trouble. 



I hope you will pardon this long digression concerning the import- 

 ance of surgical methods in physiology. I am convinced that it is 

 only by the development of our ingenuity and skill in performing 

 operations en the alimentary canal that the exquisite chemical work 

 effected by it will be revealed to us, the outlines of which can 

 already be traced by the aid of the present methods. I beg of you 

 to reflect on these closing words of my present lecture ; you will then, 

 I am persuaded, be convinced of their truth. 



