Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. A. W. Grace, Department of Science and Agriculture, Georgetown, British Guiana [Guyana]. Titled 'Filariasis Commission.' Asks Dr. A. W. Grace to keep the Royal Society posted in regards to expenditure. The New York firms supplying the materials and apparatus expect prompt payment. Queries whether Grace has received the 15 male rabbits, as a bill from M. Mayer of New York is the first they have heard for its order. 16 January 1928