Referee's report by Frederick George Donnan, on a paper 'Studies in the viscosity of colloids. I. The anomalous viscosity of dilute suspensions of rigid anisometric particles' by J R Robinson Sectional committee: Chemistry Recommended for publication in Proceedings. It could be reduced by omitting the discussion, although this may be to the detriment of the paper. [Published in Proceedings of the Royal Society A, 1939]. Endorsed on verso as received 23 January 1939. January 1939