INTRODUCTION.
A CONTROVERSY is persistently carried on between an increasing body of the non-professional laity and an important section of the medical profession, in relation to the methods pursued in investigating biological phenomena.
The criticism of medical research by non-medical people is naturally resented by some who are engaged in experimentation; and it is stated seriously that non-scientific persons will impede progress if they interfere with, or succeed in restricting, the efforts of those who specially devote themselves to this branch of research.
This controversy is still going on in ever-widening circles; and it is bound to do so, until the present confusion of thought which exists on this subject is removed, and the broad distinction between right and wrong experimentation is more
