[3] See p. 110.
[4] But see an interesting note in Romanes' Mind and Motion and Monism (Longmans, 1895) p. 111.
[5] Published in Trübner's English and Foreign Philosophical Library in 1878, but written 'several years ago' (preface). 'I have refrained from publishing it,' the author explains, 'lest, after having done so, I should find that more mature thought had modified the conclusions which the author sets forth.'
[6] At times I have sought to make the argument of the chapter more intelligible by introducing references to earlier parts of the book or explanations in my own words. These latter I have inserted in square brackets.
[7] p. 24.
[8] p. 28.
[9] p. 28.
[10] p. 45.
[11] p. 47.
[12] p. 50.