Letter from Wyndham Rowland Dunstan, on his paper with John Theodore Cash 'The physiological action of the nitrites of the paraffin series, considered connection with their chemical constitution' to the Secretary of the Royal Society They have submitted the second part of their paper along with the first part, which was recommended to be joined together. They have worked on the referee's suggestions for the first part of the paper. They wish for any suggestions by the referees on the paper to be written on a separate sheet. Subject: Physiology [Published in Philosophical Transactions B, 1893]. 15 June 1892