Letter from John David Griffith Davies, to F E Smith [Frank Edward Smith or Frank Ewart Smith?], regarding a paper 'On the catalytic cyclization of aliphatic hydrocarbons. II' by E F G Herington and Eric Keightley Rideal Sectional Committee: Chemistry Encloses the papers at the request of Eric Keightley Rideal. Requests acknowledgement of receipt, as the papers are still classed as confidential documents. Appended typescript copy of the letter. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 13 October 1944. 11 October 1944