Referee's report by Herbert Leader Hawkins, on a paper 'Two new Echinoidea, Aulechinus and Ectinechinus, and an adult plated holothurian, Eothuria, from the Upper Ordovician of Girvan, Scotland' by Ernest William MacBride and William Kingdon Spencer Sectional Committee: Zoology Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Finds the paper rather brief, but further communications are promised. [Published in the Philosophical Transactions of the Royal Society] Endorsed on verso as received 19 October 1937. [October 1937]