Referee's report by Francis John Worsley Roughton, on a paper 'The abrupt transition from rest to activity in muscle' by Archibald Vivian Hill Sectional Committee: Physiology and Medical Sciences Recommended for publication in the 'Proceedings of the Royal Society of London'. See letter RR/71/150. Suggests adding further explanation or a legend to the figures to make understanding of the experiment easier. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1948]