It has been customary for the incoming President to urge on the Association some lines of action which he deems particularly useful and important. After careful thought, however, I have concluded that no special recommendations from me are needed at this time, and that a discussion of some phases of our sanitary work at Panama would be appropriate and perhaps generally useful and interesting. This Association has recently endeavored to influence legislation in a direction favorable to sanitation; there is a broad field for usefulness in this line. With your permission, then, I will depart from the accepted custom, and will address you with regard to the sanitary work at Panama as it bears on malaria. I have thought that a brief description of this work might be of value to you in the future conduct of antimalarial work elsewhere. Before entering on my subject, however, I wish to state