1. Notes on the food and habits of some Trinidad birds
  2. Th possibility of using town refuse as manure
  3. The barley crop - a study in modern agricultural chemistry
  4. Science and crop production
  5. The physico-chemical problems relating to the soil - A general survey
  6. Further experiments with activated sludge
  7. Straw filters for sewage purification
  8. On the development of a standardised agar medium for counting soil bacteria with especial regard to the repression of spreading colonies
  9. The part played by organic matter in the soil system - Section III.—Papers and discussion on “organic constituents of the soil”.
  10. Green manuring
  11. On the Larva and Pupa of a Parasitic Phorid Fly—Hypocera incrassata Mg
  12. On a method of separating insects and other arthropods from soil
  13. The larval and pupal stages of the Bibionidae Part II
  14. The Infestation of Fungus Cultures by Mites.(Its Nature and Control, together with some Remarks on the toxic Properties of Pyridine.)
  15. Anatomical structure of the roots of barley
  16. The phenomena of absorption in soils: a critical discussion of the hypotheses put forward
  17. A quantitative investigation of the bacterial and protozoan fauna
  18. Section II.—Papers and discussion on “soil moisture”. The system soil-soil moisture
  19. Biological studies of aphis rum wis linn. Reproduction on varieties of Vicia Faba
  20. On mutation of species
  21. Some aspects of vegetable pathology in relation to human disease
  22. Some research aspects of the wart disease problem
  23. CP28 The microbiology of cider-making
  24. The insect and other invertebrate fauna of arable land at Rothamsted
  25. Soil acidity in its physico-chemical aspects
  26. Effect of high root temperature and excessive insolation upon growth
  27. On the Interpretation of X squared from Contingency Tables, and the Calculation of P
  28. The correlation of weekly rainfall
  29. The goodness of fit of regression formulae, and the distribution of regression coefficients
  30. The accuracy of the plating method of estimating the density of bacterial populations: with particular reference to the use of Thornton's agar medium with soil samples
  31. The systematic location of genes by means of crossover observations
  32. On the mathematical foundations of theoretical statistics