The depilating folliculitides compose a complex and little understood group of dermatoses, as is indicated by the variety of names given to these conditions by different authors. The terms folliculitis decalvans and pseudopelade, with which we are most familiar, usually call to mind processes producing baldness of the scalp alone. The literature shows, however, that a clinical picture similar to that of folliculitis decalvans may be seen on other hairy parts of the body, either in association with the disease on the scalp, or independently. Pringle,1Robinson2and others have described cases in which folliculitis decalvans of the scalp has been associated with a similar pathologic process in other parts. Among those who have described a similar picture in hairy parts other than the scalp, and without any accompanying involvement of the scalp, are Mewborn,3Darier,4and Arnozan,5the latter, under the title "Depilating Folliculitis