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already named, how many students have their attention specially drawn to Donders's and Landolt's optical researches on the eye and eyesight, or to Helmholtz's account of the mechanism of the ear Such a course, moreover, would in no way clash with other courses given elsewhere on different branches of the same great subject, and it would eminently fulfil the exact purpose even to the very words of the great man whom we are to day met to commemorate.
