Place 13. Head has been shaved. Plate 14. Eighteen days later. Scalp lesions have healed with repigmentation of skin. No hair growth evident in epilated areas. Ear ulceration persists with little improve- Same case showing complete re- Plate 16. De sguama C2 on of back of scalp at 28 days. Epilation occurred earlier in desquamated area. Note persistent ulceration of left ear. Plate 15. Case 79, age 41, M. ment. growth of hair of normal color and texture at six months after exposure. Ear lesion has nealed with considerable scarring. See Plate 14, Ear lesion shown in Plate 15 magnified 20 times. Note atrophy and scaling of scar tissue. Telangiectatic vessels can he seen in the upper part of the picture. 445