Letter from [Professor Ronald] Ross, The Royal Soicety of Medicine, 1 Wimpole Street, London, W, to The Secretary, Royal Society, Burlington House, Piccadilly, W Notification of Miss H. P. Hudson's appointment for part-time work on pathometry research, in the continuation work on the Application of the Theory of Probabilities to the Study of A Priori Pathometry, funded by the Government Grant Committee, effective May 1st. 2 May 1916