Copy letter from Herbert Rix, to Mr C Worsfield,"Nature" Office, 29 Bedford Street, Strand, W.C. 'Dear Sir, We have no paper of Prof. [Professor Harry] Marshall Ward's the title of which corresponds with that ^which^ you give. His last paper (read December 14th) bears title: "The Action of Light on Bacteria: Part III". Awaiting your further communication. I am, yours faithfully, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 26 January 1894