Referee's report by Walter Holbrook Gaskell, on a paper 'The excitatory process in the dog’s heart. Part I. —The auricles' by Thomas Lewis, John Meakins and Paul D White Sectional Committee: Physiology Recommended for publication in the 'Philosophical Transactions of the Royal Society'. The diagrams are necessary for understanding the text. [Published in the Philosophical Transactions of the Royal Society, 1914] Endorsed on verso as received 1 August 1914. [August 1914]