9. THE EVOLUTION OF PLANTS
By Dr D. H. Scott, M.A., F.R.S., late Hon. Keeper of the Jodrell Laboratory, Kew. (Fully illustrated.) “Dr Scott’s candid and familiar style makes the difficult subject both fascinating and easy.”—Gardeners’ Chronicle.
17. HEALTH AND DISEASE
By W. Leslie Mackenzie, M.D., Local Government Board, Edinburgh.
18. INTRODUCTION TO MATHEMATICS
By A. N. Whitehead, Sc.D., F.R.S. (With Diagrams.) “Mr Whitehead has discharged with conspicuous success the task he is so exceptionally qualified to undertake. For he is one of our great authorities upon the foundations of the science.”—Westminster Gazette.
19. THE ANIMAL WORLD
By Professor F. W. Gamble, F.R.S. With Introduction by Sir Oliver Lodge. (Many Illustrations.) “A fascinating and suggestive survey.”—Morning Post.
20. EVOLUTION
By Professor J. Arthur Thomson and Professor Patrick Geddes. “A many-coloured and romantic panorama, opening up, like no other book we know, a rational vision of world-development.”—Belfast News-Letter.