This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables. I have been consulted by a young man with alopecia areata who gave the most direct history of association of alopecia areata and emotional stress I have ever encountered. The patient was, apparently, a well balanced young man, a railroad baggageman. About eight weeks ago he was on a fast mail train between Chicago and Milwaukee which struck a bus loaded with young school children and killed between thirty-five and forty of them. This man was standing in the baggage car, saw the bus coming down hill to a crossing that the train going seventy miles an hour was to pass and saw the bus go on to the track, and the train pick it up and carry it a quarter of a mile until it could stop. His expression was that to see the thing happen and then to go and see forty or fifty dead children in a