Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs. Baird and Tatlock, Ltd., 14 Cross Street, Hatton Garden, EC1 Titled 'Filariasis Commission'. Explains that the man bound for British Guiana [Guyana] has failed to pick up the package of test tubes and grease pencils. Asks for the package to be prepared as an ordinary freight package, by packing it in non-absorbent cotton wool. Gives the address of Dr. A. W. Grace. 7 May 1928