Letters from the United Planters Association of Southern India to Philip Lutley Sclater regarding attempts to introduce appropriate varieties of Ladybirds from Australia for the extermination of certain scale pests

Paper on identification of gardens pests, signed by H M Lefroy

Letter from Irwin S Minor of the Royal Gaol Department of Trinidad, to Philip Lutley Sclater regarding the best mode to abolish certain pests that were playing havoc with their cocoa crops