1. Behaviour of the fungus Rhizoctonia solani Kiihn in the soil
  2. Bulb Correction in Capillary Tube Viscometry
  3. The Relation Between the Number of Species and the Number of Individuals in a Random Sample of an Animal Population
  4. Studies of fluctuations in insect populations X Prolonged larval life and delayed subsequent emergence of the adult gall midge
  5. Studies of wild populations
  6. Birds and butterflies
  7. Area and number of species
  8. A method of collecting and storing without pressure insects and galls attached to leaves
  9. A safe method of measuring the wings of set butterflies
  10. The numbers of publications written by biologists
  11. The West Africa Commission, 1938-1939 Technical Reports
  12. Composts, their preparation and value
  13. The maintenance of soil fertility
  14. Sharp eyespot of wheat caused by Corticium (Rhizoctonia) Solani
  15. Minor elements and plant growth
  16. The inactivation of tomato bushy stunt virus by heating and freezing
  17. Methods for the purification of tomato bushy stunt and tobacco mosaic viruses
  18. Methods and purposes of agricultural surveys
  19. Daily and seasonal changes in the surface temperature of fallow soil at Rothamsted
  20. Experiments on the poisoning of honeybees by insecticidal and fungicidal sprays used in orchards
  21. The behaviour of a population of honeybees on an artificial and on a natural crop
  22. The relation between the number of species and the number of individuals in a random sample of an animal population
  23. The fractional replication of factorial arrangements
  24. Biological methods of determining the insecticidal values of pyrethrum preparation (particularly of extracts in heavy oil)