Cauterization—with nitrate of silver, with applications of pyrogallic acid in ointment or in liquor gutta-perchæ, fifteen to thirty per cent. strength, and with solutions (cautiously employed) of caustic potash, and exceptionally with the galvano-cautery.

Fig. 43.

Single Scarifier.

Fig. 44.

Multiple Scarifier. (As modified by Van Harlingen.)

Operative—scarification, either punctate or linear, and erosion with the curette. (See treatment of lupus vulgaris.)

Lupus Vulgaris.

(Synonyms: Lupus; Lupus Exedens; Lupus Vorax; Tuberculosis of the Skin.)