Intellectualism, 44 James, William, 44 Kant, 26, 27, 42, 73 Meinong, 84 Pierce, C. S., 44 Plato, 11, 44, 67, 68, 74 Pluralistic Realism, 24 Poincaré, Henri, 54 Pragmatist Theory of Truth, 55 Primary Qualities, 32 Protagoras, His book _The Truth_, 10, 11; His maxim, 44 Pythagoras, 87 Relativity, Principle of, 48, 53, 62 _Republic_ of Plato, 67 S. Anselm's Argument, 29, 31, 41 Schiller, Dr. F. C. S., 44 Self, The Idea of, 36 Socrates, 11, 74 Space and Time, 33, 34, 36 Stout, Prof. G. F., 84 Theætetus of Plato, 11, 74 Unknowable, The, 29, 37 Zeno, 34 ENDX Printed by BALLANTYNE, HANSON & Co. Edinburgh & London * * * * * THE PEOPLE'S BOOKS THE FIRST HUNDRED VOLUMES (Spring 1913) SCIENCE 1. The Foundations of Science . . . By W. C. D. Whetham, M.A., F.R.S. 2. Embryology--The Beginnings of Life . . . By Prof. Gerald Leighton, M.D. 3. Biology . . . By Prof. W. D. Henderson, M.A. 4. Zoology: The Study of Animal Life . . . By Prof. E. W. MacBride, M.A., F.R.S. 5. Botany; The Modern Study of Plants . . . By M. C. Stopes, D.Sc., Ph.D., F.L.S. 7. The Structure of the Earth . . . By Prof. T. G. Bonney, F.R.S. 8. Evolution . . . By E. S. Goodrich, M.A., F.R.S. 10. Heredity . . . By J. A. S. Watson, B.Sc. 11. Inorganic Chemistry . . . By Prof. E. C. C. Baly, F.R.S. 12. Organic Chemistry . . . By Prof. J. B. Cohen, B.Sc., F.R.S. 13. The Principles of Electricity . . . By Norman K. Campbell, M.A. 14. Radiation . . . By P. Phillips, D.Sc. 15. The Science of the Stars . . . By E. W. Maunder, F.R.A.S. 16. The Science of Light . . . By P. Phillips, D.Sc. 17. Weather Science . . . By R. G. K. Lempfert, M.A. 18. Hypnotism and Self-Education . . . By A. M. Hutchison, M.D. 19. The Baby: A Mother's Book . . . By a University Woman. 20. Youth and Sex--Dangers and Safeguards for Boys and Girls . . . By Mary Scharlieb, M.D., M.S., and F. Arthur Sibly, M.A., LL.D. 21. Marriage and Motherhood . . . By H. S. Davidson, M.B., F.R.C.S.E. 22. Lord Kelvin . . . By A. Russell, M.A., D.Sc., M.I.E.E. 23. Huxley . . . By Professor G. Leighton, M.D. 24. Sir William Huggins and Spectroscopic Astronomy . . . By E. W. Maunder, F.R.A.S., of the Royal Observatory, Greenwich. 62. Practical Astronomy . . . By H. Macpherson, Jr., F.R.A.S. 63. Aviation . . . By Sydney F. Walker, R.N. 64. Navigation . . . By William Hall, R.N., B.A. 65. Pond Life . . . By E. C. Ash, M.R.A.C. 66. Dietetics . . . By Alex. Bryce, M.D., D.P.H. 94. The Nature of Mathematics . . . By P. E. B. Jourdain, M.A. 95. Applications of Electricity . . . By Alex. Ogilvie, B.Sc. 96. Gardening . . . By A. Cecil Bartlett. 97. The Care of the Teeth . . . By J. A. Young, L.D.S. 98. Atlas of the World . . . By T. Bartholomew, F.R.G.S. 110. British Birds . . . By F. B Kirkman, B.A. PHILOSOPHY AND RELIGION