|Alternative reference number
|Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Gavin Rylands] de Beer Esq., University Museum, Oxford
|3 June 1926
|Informs [Gavin Rylands] de Beer can expect permission to reproduce in his book 'Experimental embryology' figure 4 from a paper [' The electrical conductivity of echinoderm eggs, and its bearing on the problems of fertilisation and artificial parthenogenesis'] by Captain [James] Gray in Transactions B.207. Subject to acknowledgements being made and the consent of the author.