To the Editor:—After my paper on "Chronic Scarring Pseudofolliculitis of the Negro Beard" (Arch. Dermat. & Syph. 47:782-792 [June] 1943) had been published, it was called to my attention that two other American authors had written on this and related subjects. I greatly regret that my search of the literature has proved to be so incomplete, and I should like to give credit where credit is due, particularly as Dr. S. S. Greenbaum has raised the question of priority in the September issue of the Archives.
Dubreuilh's1 paper of 1922 is doubtless the first one which called attention to a peculiar type of ingrown hairs which in 2 cases had caused a rather severe inflammatory disease of the beard. Dubreuilh called these hairs "poils recourbés." One of his patients was a French mulatto soldier from Guadeloupe.
Four years later, Schmidt,2 of Chicago, apparently without knowledge of Dubreuilh's