CONTENTS.
Reading edition
I. On the Advisableness of Improving Natural Knowledge. (A Lay Sermon delivered in St. Martin's Hall, on the evening of Sunday, the 7th of January, 1866, and subsequently published in the Fortnightly Review)
II. Emancipation—Black and White. (The Reader, May 20th, 1865)
III. A Liberal Education: and Where to Find It. (An Address to the South London Working Men's College, delivered on the 4th of January, 1868, and subsequently published in Macmillan's Magazine)
IV. Scientific Education: Notes of an After-Dinner Speech. (Delivered before the Liverpool Philomathic Society in April 1869, and subsequently published in Macmillan's Magazine)
V. On the Educational Value of the Natural History Sciences. (An Address delivered at St. Martin's Hall, on the 22d July, 1854, and published as a pamphlet in that year)
VI. On the Study of Zoology. (A Lecture delivered at the South Kensington Museum, in 1861, and subsequently published by the Department of Science and Art)
VII. On the Physical Basis of Life. (A Lay Sermon delivered in Edinburgh, on Sunday, the 8th of November, 1868, at the request of the late Rev. James Cranbrook; subsequently published in the Fortnightly Review)
VIII. The Scientific Aspects of Positivism. (A Reply to Mr. Congreve's Attack upon the preceding Paper. Published in the Fortnightly Review. 1869)
IX. On a Piece of Chalk. (A Lecture delivered to the Working Men of Norwich, during the Meeting of the British Association, in 1868. Subsequently published in Macmillan's Magazine)
X. Geological Contemporaneity and Persistent Types of Life. (The Anniversary Address to the Geological Society for 1862)
XI. Geological Reform. (The Anniversary Address to the Geological Society for 1869)
XII. The Origin of Species. (The Westminster Review, April 1860)
XIII. Criticisms on "The Origin of Species." (The Natural History Review, 1864)
XIV. On Descartes' "Discourse Touching the Method of Using One's Reason Rightly and of Seeking Scientific Truth." (An Address to the Cambridge Young Men's Christian Society, delivered on the 24th of March, 1870, and subsequently published in Macmillan's Magazine)