Fig. 16.—Sickle-shaped knife, Aiguille-à-serpette (Galezowski).

Fig. 35.—Sichel’s iridotome (after Meyer).

Fig. 34.—Knapp’s knife-needle.

Fig. 7.—Adams’ iris-scalpel; large and small size.

Fig. 33.—Double edged lance-knife (modern model).