titis while working with tobacco in North Carolina, but on two occasions, while buying tobacco in Kentucky, had such an eruption. This example illustrates the statement made by one of the discussers that tobacco from different sections of the country may possess different allergic properties.Dr. Marion B. Sulzberger, New York : I think the applition of skin tests in many conditions in which no one has thought of applying them may lead to further knowledge. To know when, where and how to apply these tests, what sub¬ stances to use, what to look for and how to study and evaluate