1. Some orthogonal properties of the 4× 4 and 6× 6 latin squares
  2. Recent developments in the wireworm survey
  3. The statistical treatment of toxicological data relating to ore than one dosage factor
  4. The detection of linkage VII Combination of data from matings of known and unknown phase
  5. The effects of salts on the formation of protein complexes during heat denaturation
  6. Value of the pF Scale of Soil Moisture for Expressing the Soil Moisture Relations of Wireworms
  7. The deternmination of rotenone in derris root. A reply
  8. Note on the occurrence of Ophiobolus graminis Sacc. var. avenae EM Turner in Scotland in 1942
  9. Value of phloem necrosis in the diagnosis of potato leaf‐roll
  10. Value of phloem necrosis in the diagnosis of potato leaf‐roll
  11. Behaviour of the fungus Rhizoctonia solani Kiihn in the soil
  12. Bulb Correction in Capillary Tube Viscometry
  13. The Relation Between the Number of Species and the Number of Individuals in a Random Sample of an Animal Population
  14. Studies of fluctuations in insect populations X Prolonged larval life and delayed subsequent emergence of the adult gall midge
  15. Studies of wild populations
  16. Birds and butterflies
  17. Area and number of species
  18. A method of collecting and storing without pressure insects and galls attached to leaves
  19. A safe method of measuring the wings of set butterflies
  20. The numbers of publications written by biologists
  21. The West Africa Commission, 1938-1939 Technical Reports
  22. Composts, their preparation and value
  23. The maintenance of soil fertility
  24. Sharp eyespot of wheat caused by Corticium (Rhizoctonia) Solani
  25. Minor elements and plant growth
  26. The inactivation of tomato bushy stunt virus by heating and freezing
  27. Methods for the purification of tomato bushy stunt and tobacco mosaic viruses
  28. Methods and purposes of agricultural surveys
  29. Daily and seasonal changes in the surface temperature of fallow soil at Rothamsted
  30. Experiments on the poisoning of honeybees by insecticidal and fungicidal sprays used in orchards
  31. The behaviour of a population of honeybees on an artificial and on a natural crop
  32. The relation between the number of species and the number of individuals in a random sample of an animal population
  33. The fractional replication of factorial arrangements
  34. Biological methods of determining the insecticidal values of pyrethrum preparation (particularly of extracts in heavy oil)