Letter from Arthur [Robertson] Cushny, Pharmacological Laboratory, University of Edinburgh, to [Arthur] Keith, Royal College of Surgeons of England, Lincoln's Inn Fields, London, W.C.2. Gathers that some samples of plants from Uganda [from the Mackie Anthropological Expedition] have been despatched to his [Arthur Robertson Cushny's] laboratory. Notes that this is the first he has heard of the matter. Asks [Arthur] Keith if he has received the specimens. [Includes a handwritten note from Arthur Keith to Edwin Deller, Assistant Secretary of the Royal Society, passing this letter on and asking him to send [Peter Jeffrey] Mackie a note that the specimens sent to his office in Glasgow have not been sent on to the University of Edinburgh.] 22 April 1920