For Monseigneur Segur, see his La Foi devant la Science Moderne, sixth ed., Paris, 1874, pp.

23, 34, etc.

For Herbert Spencer's reply to Mr.Gladstone, see his study of Sociology; for the passage in the Dublin Review, see the issue for July, 1871.

For the Review in the London Times, see Nature for April 20, 1871.

For Gavin Carlyle, see The Battle of Unbelief, 1870, pp.