to Natural Theology,’ 1833, 1 vol. 8vo (‘Bridgewater Treatise’), six editions to 1864. 10. ‘Remarks on some Parts of Mr. Thirlwall's Letter on the Admission of Dissenters to Academical Degrees,’ 1834, 8vo. 11. ‘Additional Remarks on some Parts of Mr. Thirlwall's Two Letters,’ &c., 1834, 8vo. 12. ‘Thoughts on the Study of Mathematics as a part of a Liberal Education,’ 1835, 8vo (reprinted in ‘Principles of English University Education’). 13. ‘Newton and Flamsteed …,’ 1836, 19 pp. 8vo (two editions). 14. ‘The Mechanical Euclid, containing the Elements of Mechanics and Hydrostatics demonstrated after the Manner of the Elements of Geometry …,’ 1837, 1 vol. 12mo; later editions in 1837, 1838, 1843, and 1849, with various changes. 15. ‘On the Foundations of Morals,’ 1837, 1 vol. 8vo; 2nd edit. 1839 (four university sermons of November 1837). 16. ‘Letter to Charles Babbage, esq. …,’ 1837, 7 pp. 8vo (defence of ‘Bridgewater Treatise’). 17. ‘On the Principles of English University Education,’ 1837, sm. 8vo. 18. ‘History of the Inductive Sciences from the Earliest to the Present Time,’ 1837, 3 vols. 8vo; 2nd edit., enlarged, in 1847; 3rd, in three small octavo volumes, with additions (also printed in octavo to be bound with second edition), 1857. Whewell replied to some criticisms in the ‘Edinburgh Review’ by a short printed letter, dated 28 Oct. 1837, and in the ‘Medical Gazette’ of 30 Dec. 1837 defended his treatment of Sir Charles Bell and Mayo. 19. ‘The Doctrine of Limits, with its Applications …,’ 1838, 1 vol. 8vo. 20. ‘The Philosophy of the Inductive Sciences, founded upon their History,’ 1840, 2 vols. 8vo. A second, enlarged edition, appeared in 1847. This was afterwards divided into three books, in small octavo, to range with the third edition of the ‘History’: (i.) ‘History of Scientific Ideas,’ 1858; (ii.) ‘Novum Organon Renovatum,’ 1858; (iii.) ‘Philosophy of Discovery,’ 1860. The last contains considerable additions to the corresponding part of the original book, and includes answers to Herschel (previously printed privately), Lewes, and J. S. Mill. 21. ‘Mechanics of Engineering,’ 1841, 1 vol. 8vo (a sequel to the treatise on mechanics). 22. ‘Two Introductory Lectures to two Courses of Lectures on Moral Philosophy, delivered in 1840 and 1841,’ 1841, 1 vol. 8vo. 23. ‘Indications of the Creator,’ 1845, 1 vol. sm. 8vo; 2nd edit. 1846 (extracts from previous works, with prefaces, in answer to the ‘Vestiges of Creation’). 24. ‘Of a Liberal Education in General, and with particular reference to the Leading Studies in the University of Cambridge,’ 1845, 1 vol. 8vo; to a second edition, 1850, was added a ‘part ii.’ (on recent changes), and in 1852 was published ‘part iii.’ (on the ‘revised statutes’). 25. ‘Elements of Morality, including Polity,’ 1845, 2 vols. 8vo; 2nd edit. 1848, 2 vols. sm. 8vo; 4th, 1864, 1 vol. 8vo. 26. ‘Lectures on Systematic Morality, delivered in Lent Term, 1846,’ 1846, 1 vol. 8vo. 27. ‘Conic Sections, their Principal Properties proved geometrically,’ 1846 (1 vol. 8vo), 1849, 1855. 28. ‘Newton's Principia,’ bk. i. §§ i. ii. iii.; in the original Latin, with explanatory notes and references, 1846, 1 vol. 8vo. 29. ‘Sermons preached in the Chapel of Trinity College, Cambridge,’ 1847, 1 vol. 8vo (twenty-two sermons). 30. ‘Verse Translations from the German …,’ 1847, 1 vol. 8vo (anonymous; includes Bürger's ‘Lenore’ and Schiller's ‘Song of the Bell.’ The translation from Bürger was republished, with another of uncertain authorship, in 1858 as ‘Two Translations,’ &c.). 31. ‘Sunday Thoughts, and other Verses,’ 1847, 1 vol. 8vo (privately printed and anonymous; includes the ‘Isle of the Sirens,’ some passages in Carlyle's ‘Chartism,’ put into hexameters and privately printed in 1840). 32. ‘English Hexameter Translations from Schiller, Goethe, Homer, Callinus, and Meleager,’ 1847, 1 vol. 8vo. Whewell edited this volume, to which Sir J. W. Herschel, J. C. Hare, J. G. Lockhart, and E. C. Hawtrey contributed. It contains Whewell's translation of ‘Hermann and Dorothea’ (also privately printed in 1839) and some other pieces. For full details and references to various magazine articles by Whewell upon English hexameters and reviews of Longfellow's ‘Evangeline’ and Clough's ‘Bothie,’ see Todhunter, i. 283–301. Miss Wentworth's ‘Life and Letters of Niebuhr,’ 1852, vol. iii., includes some English hexameters by Whewell. 33. ‘Of Induction, with special reference to Mr. J. S. Mill's System of Logic,’ 1849, 8vo; reprinted in ‘Philosophy of Discovery.’ 34. ‘Inaugural Lecture, 26 Nov. 1851: the general Bearing of the Great Exhibition on the progress of Art and Science,’ 1851, 16 pp. 8vo; also in a volume with other lectures. 35. ‘A Letter to the Author of “Prolegomena Logica”’ [H. L. Mansel], 1852, 8vo; reproduced in ‘Philosophy of Discovery,’ chap. xxviii. 36. ‘Lectures on the History of Moral Philosophy in England,’ 1852, i vol. 8vo; 2nd edit., with additional lectures (1862, sm. 8vo), including an answer to remarks by Mark Pattison in ‘Essays and Reviews.’ 37. ‘Of the Plurality of Worlds: an Essay,’ 1853, 1 vol. 8vo; other editions, in small octavo, in 1854,
