[5] Sir William Thomson.
[6] In the ‘Prefatory Letter’ to his ‘Lay Sermons,’ Mr. Huxley speaks of ‘microscopists, ignorant alike of Philosophy and Biology.’ With reference to one conspicuous member of this class, a doctor of medicine, lately professor in a London college famous for its orthodoxy, both Mr. Huxley and myself have long practised, and shall, I trust, continue to practise, the tolerance recommended above.
[7] An Address to the Mathematical and Physical Section of the British Association assembled at Norwich on August 19, 1868.
[8] From an article headed ‘Physics and Metaphysics,’ in the Saturday Review for August 4, 1860.
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TRANSCRIBER’S NOTES
Obvious typographical errors have been silently corrected.
Punctuation, hyphenation, and spelling were made consistent when a predominant preference was found in the original book; otherwise they were not changed.