Memoranda, on a paper 'Siderocytes in mammalian blood' by R A M Case Sectional Committee: Physiology Communicated by Lancelot Thomas Hogben. The paper has been reported to Joseph Barcroft, in the absence of the Chairman. Can a suitable referee be suggested, and the paper passed if the report is favourable. Joseph Barcroft suggests David Keilin, as other specialists in the field are not Fellows. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 11 December 1944. 9 December 1944