The subject of pigmentation of the nail is rarely mentioned in medical literature. There is frequent mention of other abnormalities such as leukonychia, transverse or longitudinal ridges, pits and cracks, but no notation of cases of pigmented stripes of the nails. A search of the available texts, journals and the "Index Medicus" has disclosed but one case similar to the one described here. In 1917, Montgomery presented a clinical report of such a case accompanied by a photograph. DIGEST OF CASE REPORTED BY DR. MONTGOMERY1 "The following is a description of a condition which I have never observed before and which I have never seen mentioned." The patient, a Jew, aged 36, had syphilis in 1903, had received treatment for it and the Wassermann test had become negative. He had recently been successfully treated for eczema of the hand by means of the roentgen ray. This treatment had been