Referee's report by Carl Frederick Abel Pantin, on a paper 'Chromatic behaviour of elasmobranchs' by H Waring Sectional Committee: Zoology Recommended for publication in the 'Proceedings of the Royal Society of London'. Notes minor misprints and points requiring clarification. Refers to work of Alan Sterling Parkes. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 19 January 1938. [January 1938]