1. The analysis of toxicity tests on mixtures of poisons
  2. Examples of the planning and interpretation of toxicity tests involving more than one factor
  3. The detection of linkage VI Supplementary tables
  4. The detection of linkage VI The loss of information from incompleteness of parental records
  5. Some notes on the biology of the click beetles Agriotes obscurus L. and A. sputator L.
  6. Observations on some factors influencing growth in wireworms of the genus Agriotes Esch.
  7. The determination of the moisture equivalent by the silt-suction method and the shifting of the pF curve of stored soil samples
  8. Studies in soil cultivation: XI. The effect of inter-tillage on the sugar-beet crop
  9. The determination of rotenone in derris root
  10. A comparison of the chemical and biological assays of several strains of pyrethrum flowers
  11. Soil physics: Theory and practice
  12. Hoeing
  13. Measurement of the suction of soil water by Portland stone absorbers calibrated by a new method for determining vapour pressures near to saturation
  14. The efficiency of pneumatic tyred tractors under farm conditions
  15. Presence of virus in the primordial meristem
  16. The ‘blotches’ on leaves of Arran pilot potatoes
  17. Influence of changes in level of feeding on milk production
  18. Students collected papers
  19. The direct use of leaf protein in human nutrition
  20. Sugar-beet yellows virus. A preliminary account of experiments and observations on its effect in the field
  21. Manuring under a fertilizer rationing scheme
  22. Studies of fluctuations in insect populations IX The carrot fly (Psila rosae) in 1936-41
  23. Baiting slugs using metaldehyde mixed with various substances
  24. Studies in the migration of lepidoptera
  25. The manurial value of sewage sludges
  26. Straw on the land
  27. The honeybee
  28. Cercosporella Herpotrichoides Fron., causing eyespot of wheat in Great Britain
  29. Eyespot in wheat. A disease causing lodging and straggling
  30. The effects of heat on the serological reactions of antisera
  31. The antigenicity of non-precipitating complexes
  32. A preliminary description of preparations of some of the viruses causing tobacco necrosis
  33. Alfred Daniel Hall. 1864-1942
  34. Statistical problems in field sampling for wireworms
  35. Influence of changes in level of feeding on milk production
  36. Theory of porometers used in the study of stomatal movements in leaves
  37. Preliminary investigations on the value of electric heating of beehives
  38. The influence of various physical and biological factors of the environment on honeybee activity. An examination of the relationship between activity and solar radiation
  39. Insect survival in relation to the rate of water loss