[H] Examples of the bacteria magnified 1,800, 3,000, and 5,000 times are given in Plate I. p. 16, of Beale's Disease Germs.

[I] For Dr. Bastian's experiments see Times, April 13, 1870; and Nature, June and July, 1870.

[J] Contribution to Royal Society of London. Nature xv. p. 302, Feb. I, 1877.

[K] Ib.

[L] Nature vol. xv. p. 302, and [Appendix II.]

[M] Nature vol. xvi. p. 127.

[N] Recent Advances in Physical Science, p. 24.

[O] Preface x.

[P] Preface x.

[Q] History of the Conflict between Religion and Science, by J. W. Draper, M.D., LL.D., Professor in the University of New York, 12 ed., p. 152.