In Great Britain the Medical Officers of Schools Association has made available, now in its tenth edition, a guide to school physicians in general supervision of hygienic conditions in order to give them information as to what to do specifically in relationship to the appearance of any of the infectious diseases. This booklet is similar to the one issued by the American Public Health Association on the "Control of Communicable Diseases," which has just been issued also as a separate circular by the United States Public Health Service and by the Army and Navy medical departments. The measures recommended are standard in most civilized countries. Especially valuable in this pamphlet is the material on the various types of ringworm, including the portion of the body concerned, the incubation period and the methods used in control.
The last edition of this book appeared in 1928. The present edition emphasizes the importance