Being a working doctor and one not accustomed to addressing audiences, I must ask your indulgence in making the attempt. Indeed, I would never have thought of making this address, except that your dean, Dr. Polk, assured me that some account of our sanitary work at Panama would be acceptable. And I can see that an outline of the sanitary work at Panama might be of use to men just being graduated into our profession, as an illustration of a new avenue of useful work in the way of tropical sanitation that has developed in the last eight or ten years.
Great advances have been made in this line of work in that period, due to important discoveries made just prior to that time, and the English and Americans have done a great deal of useful work in sanitation in their tropical colonial possessions. The discovery that the bite of