Referee's report by Wilfrid Edward le Gros Clark, on a paper 'The heart of the salamander (salamandra salamandra l.), with special reference to the conducting (connecting) system and its bearing on the phylogeny of the conducting systems of mammalian and avian hearts' by F Davies and E T B Francis Sectional committee: Zoology Not recommended for publication in its present form. It contains a history of the anatomy and physiolgy of a frog's heart which is contained in another paper. The paper needs to be greatly condensed before publication can be considered. It doesn't contain sufficient new information to justify it's publication. [Published in Philosophical Transactions B, 1941]. Endorsed on verso as received 5 December 1940. December 1940