Referee's report by Harold William Taylor Wager, on a paper 'Anthocyanins and anthoeyanidins. Part IV.—Observations on: (a) Anthocyan colours in flowers, and (b) the formation of anthocyans in plants' by Arthur Ernest Everest and Archibald John Hall Sectional Committee: Botany Recommended for publication in the 'Proceedings of the Royal Society of London'. Confirms the authors previously published conclusions. [Published in the 'Proceedings of the Royal Society of London' B, 1921] No received date. 8 February 1921