XLII

j is. RIHUOGRAPHIE DE I/ACUITÉ VtSlîfiLLB.

860. G. M. Cavallieri, Sul punto cieco clcll' occliio, in Alti dell' htituto lombardo, U, 89-91.

sr.t. H. Mïixer, Bcmerkungea iiber die Zapfen am gelben Fleck des Menschcn, in Wiirz ■

burger Zeilschrift fiir î<aturk.,\\, 218-221. 863. Wittich, Studien iibcr den blinden Fleck, in Archiv fiir Ophthalmol., IX, 3,

— W. Zeiiender, Historlsche Notiz vom blinden Fleck, in Archiv fur Ophthalmol. , X,

Acuité de la vision.

"05. Hooke, Poslhumous Works, pp. 12, 97.

73S. Smith, Opticks, 1, 31. (Uebersetzung, p. 29.)

— Jurin, ibid., Essay on distinct and indist. vision, p. 149. ÎÔ8. Courtivron, Hist. de l'Acad. de Paris, p. 200.