Copy letter from Robert William Frederick Harrison, to Professor Sidney Harris Cox Martin, Fellow of the Royal Society, Chairman of the Physiology Committee Dr D F Harris' paper on 'The Occurrence of Post-tetanic Tremor in several Types of Muscles' has been returned to Harris for abbreviation in accordance with the recommendation of the Committee. Harris is away from St Andrews until the middle of September and asks if he may be granted permission for this delay. 24 July 1907