Copy letter from Herbert Rix, to Illmo. Sig. Prof. G B Guccia, Segretariom Circolo Matematico, Palermo, Sicily 'Dear Sir, In answer to yours of the 24th July, I have to inform you that the "Philosophical Transactions [of the Royal Society]" for 1893 were sent to you by the agency of Messrs Grevel & Co. on August 24, 1893. I am writing to Messrs Grevel to ask them to account for the delay. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 30 July 1894