Referee's report by Charles Scott Sherrington, on a paper 'The Islets of Langerhans in the Pancreas' by Henry Hallett Dale Sectional Committee: Physiology Recommended for publication in Philosophical Transactions, with no modifications required. The twelve microphotographs should be reproduced. In general the paper contains valuable evidence and is written with critical care and very lucidly. [Published in Philosophical Transactions B, 1905]. Endorsed on verso as received 30 January 1904. 29 January 1904