34 Practical Treatise on the Diseases of the Eye, London, 1854, 4th ed., p. 1042.

35 Atlas d'Ophthalmoscopie.

36 A. f. O., vii., 1, pp. 119-121.

37 Atlas Plate xi. Fig. 1.

38 Klin. Monatsblätter, 1874, pp. 253-260.

39 Glaucom., 1859, p. 47.

40 Bericht der Wiener Auqenklinik, 1866, pp. 65-74.

41 Ophth. Hand-Atlas, Table xv. p. 72.

42 Klin. Monatsblätter, 1873, pp. 216-218.

43 Klin. Monatsblätter, 1874, pp. 252-260.