Referee's report by Francis Arthur Bather, on a paper 'On Onychester, a Carboniferous brittle-star' by Igerna Brünhilda Johnson Sollas Sectional Committee: Geology No clear statement regarding publication in the 'Philosophical Transactions of the Royal Society'. The paper builds on and supplements previous papers on the subject. Suggests some minor edits for grammar. Suggests major edits and corrections be made to the bibliography. [Published in the Philosophical Transactions of the Royal Society, 1914] Endorsed on verso as received 18 December 1912. [December 1912]