Local Government Board, Edinburgh. "The science of public health administration has had no abler or more attractive exponent than Dr Mackenzie. He adds to a thorough grasp of the problems an illuminating style, and an arresting manner of treating a subject often dull and sometimes unsavoury." Economist.
1 8. INTRODUCTION TO MATHEMATICS
' By A. N. WHITEHEAD, Sc.D., F.R.S. (With Diagrams.) "MrWhitehead has discharged with conspicuous success the task he is so exceptionally qualified
I to undertake. For he is one of our great authorities upon the foundations of the science, and has the breadth of view which is so requisite in presenting to the reader its aims. His exposition is clear and striking." Westminster Gazette.
- THE ANIMAL WORLD
By Professor F. W. GAMBLE, D.Sc., F.R.S. With Introduction hy Sir Oliver Lodge. (Many Illustrations.) " A delightful and instructive epitome of animal (and vegetable) life. ... A most fascinating and suggestive survey." Morning Post.
- 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.