[17] The Butyrate of dimethylamin.
[18] Jour. Roy. Micro. Soc., President’s Address, 1886.
[19] Principles of Biology, vol. i. p. 482.
[20] The Times report of the address of Sir H. E. Roscoe before the British Association at Manchester.—Times, September 1, 1887.
[21] Critiques and Addresses, p. 239.
[22] Principles of Psychology, vol. ii. p. 484.
[23] Ibid. vol. i. p. 627.
[24] Fragments of Science, vol. ii. pp. 393, 394.
[25] Ibid. vol. ii. p. 410.
[26] Recent Advances in Physical Science, p. 70.