First ed. published in 1928 under title: The scientific principles of plant protection.

I. Introduction -- II. The influence of external factors on the susceptibility and liability of the plant to attack -- IV. Biological control -- V. Fungicides and insecticides -- VI. The measurement and mechanics of toxicity -- VII. Fungicides -- VIII. Insecticides (1); inorganic compounds -- IX. Insecticides (2); naturally-occurring contact insecticides -- X. Insecticides (3); synthetic contact insecticides -- XI. Weedkillers -- XII. Fumigants -- XIII. Seed treatment -- XIV. Soil treatment -- XV. Traps -- XVI. The treatment of the centres and vectors of infection.