Three Cases of Family Dystrophy of the Hair and Nails

Family dystrophy of the hair and nails is a hereditary condition previously noted, to the statistics of which I wish to add these cases. Two reports of the unusual condition have been published; one in France by Nicolle and Hallipré1the other in this country by Charles J. White.2Since that time the literature contains no further report. The three cases which I have observed are in many respects identical with the two previous eases cited, though occurring in patients enjoying somewhat better social and hygienic surroundings. My cases are in three brothers, the third, fifth and ninth children in a family of nine, eight of whom are living and in good health. One child, a girl, who was not affected, died in infancy. The following is a list of the living: Lee, aged 18; not affected. Sidney, aged