On April 9, the President sent a message to Congress in which he requested that an appropriation of $50,000 be made to provide for the active investigation of problems connected with cancer in fishes. No doubt this request may seem to be a rather strange one at first sight. Why cancer in fishes and not cancer in human beings? Perhaps the President answers this question in his message when he says: "Progress in the prevention and treatment of human diseases has been marvelously aided by the investigation of the same disease in those of the lower animals that are subject to it, and we have every reason to believe that a close investigation into the subject of cancer in fishes which are frequently swept away by an epidemic of it may give us light on this dreadful human scourge."
A great deal has been learned about cancer in fishes during