[145] J.S.C.I. 1898, pp. 1010 to 1013, and 1899, pp. 990 to 993.

[146] An abstract of Wood’s work. 1901, p. 148, section 4, p. 149.

[147] 1. See German Patent No. 200,519 or British Patent No. 537708 Roehm, Esslingen.

[148] 1. See German Patent of Addition No. 203,889 Roehm, Esslingen.

[149] 2. See Abderhalden, “Text-book of Physiological Chemistry,” 1906, page 555 and following.

[150] 1. See Abderhalden, “Text-book of Physiological Chemistry,” 1906, page 556.

[151] Bran examined by Kjeldahl’s process contained 2·2 per cent. N, equivalent to about 13–14 per cent. proteids.

[152] Principles, pp. 166–170.

[153] Der Gerber, 1898, p. 204.

[154] Claflin (92) gives the limits of acidity for lactic bacteria from 0·02 to 0·5 per cent. Reynolds Green (97, p. 346) gives the upper limit for B. acidi lactici as 8 per cent. lactic acid.