Chas. K. Brain

• A preliminary report on the cotton pests of South Africa
• Host plant index of South African scale insects (Coccidae) with a list of species found on each plant recorded ; Preliminary note on the adaptation of certain radio principles to insect investigation work
• Pernicious scale
• Report on typhus conditions in native dwellings
• The intracellular symbionts of some South African Coccidae