I. Inaugural Lecture, On the Value of Comparative Philology as a branch of Academic Study, delivered before the University of Oxford, 1868 1 Note A. On the Final Dental of the Pronominal Stem _tad_ 43 Note B. Did Feminine Bases in _â_ take _s_ in the Nominative Singular? 45 Note C. Grammatical Forms in Sanskrit corresponding to so-called Infinitives in Greek and Latin 47 II. Rede Lecture, Part I. On the Stratification of Language, delivered before the University of Cambridge, 1868 63 Rede Lecture, Part II. On Curtius’ Chronology of the Indo-Germanic Languages, 1875 111 III. Lecture on the Migration of Fables, delivered at the Royal Institution, June 3, 1870 (Contemporary Review, July, 1870) 139 Appendix. On Professor Benfey’s Discovery of a Syriac Translation of the Indian Fables 181 Notes 188 IV. Lecture on the Results of the Science of Language, Delivered before the University of Strassburg, May 23, 1872 (Contemporary Review, June, 1872) 199 Note A. θεός and Deus 227 Note B. The Vocative of Dyaús and Ζεύς 230 Note C. Aryan Words occurring in Zend but not in Sanskrit 235 V. Lecture on Missions, delivered in Westminster Abbey, December 3, 1873 238 Note A. Passages shewing the Missionary Spirit of Buddhism 267 Note B. The Schism in the Brahma-Samâj 269 Note C. Extracts from Keshub Chunder Sen’s Lectures 272 Dr. Stanley’s Introductory Sermon on Christian Missions 276 On the Vitality of Brahmanism, Postscript to the Lecture on Missions (Fortnightly Review, July, 1874) 296 VI. Address on the Importance of Oriental Studies, delivered at the International Congress of Orientalists in London, 1874 317 Notes 355 VII. Life of Colebrooke, with Extracts from his Manuscript Notes on Comparative Philology (Edinburgh Review, October, 1872) 359 VIII. Reply to Mr. Darwin (Contemporary Review, January, 1875) 417 IX. In Self-defense 456