Referee's report by Claude Gordon Douglas, on a paper 'Respiratory variations of the heart rate - II—The central mechanism of the respiratory arrhythmia and the inter-relations between the central and the reflex mechanisms' by Gleb Anrep, W Pascual and R Rössler Sectional committee: Physiology Recommended for publication in Proceedings, in full. No modifications are necessary. [Published in Proceedings of the Royal Society A, 1936]. Endorsed on verso as received 5 November 1935. 2 November 1935