Puste 13.—Desquamation of back of scalp at 28 days. Etpuation occurred earlier in desquamated area, Note Poite 1i.—Same case. Epilation back of head at 46 days. Nolte persistent ulceration of leftear. Case 79, ulceration of left car. age 42, M. Praty, 15.—Srmie case as in Plate £4 showing campicte regrowth of hair of normal colar and fectere at sic months atter CL posure Bar loston has heuled with considerable scarring, See Plate 14. Prate 16.—£ar lesion shown in Plate [3 magne fied 20 times. tissue. Note atrophy and sealing of scar Telangtectatic vessels can be seen in the upper part of the picture.