9. THE EVOLUTION OF PLANTS. By Dr D. H. Scott, M.A., F.R.S. (Illustrated.)
17. HEALTH AND DISEASE. By W. Leslie Mackenzie, M.D.
18. INTRODUCTION TO MATHEMATICS. By A. N. Whitehead, Sc.D., F.R.S. (With Diagrams.)
19. THE ANIMAL WORLD. By Prof. F. W. Gamble, F.R.S. With Introduction by Sir Oliver Lodge. (Many Illustrations.)
20. EVOLUTION. By Prof. J. A. Thomson, M.A., and Prof. P. Geddes.
22. CRIME AND INSANITY. By Dr C. A. Mercier.
28. PSYCHICAL RESEARCH. By Sir W. F. Barrett, F.R.S.
31. ASTRONOMY. By A. R. Hinks, M.A., Chief Assistant, Cambridge Observatory.
32. INTRODUCTION TO SCIENCE. By Prof. J. Arthur Thomson, M.A.
41. ANTHROPOLOGY. By R. R. Marett, M.A.