Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to R. N. Chrystal Esq.; Jodrell Laboratory, Royal Gardens, Kew Informs R. N. Chrystal that his paper 'The Genus Dreyfusia (Order Hemiptera Family Chermesidae) in Britain, and its Relation to the Silver Fir' will be published in the Philosophical Transactions, but asks him to reduce the number of plates from six to five. 20 May 1925