Copy letter from Herbert Rix, to Professor Harry Govier Seeley, Fellow of the Royal Society 'Dear Sir, I have received the last of your plates this morning, and we are now only waiting for the text. The plates will have to be numbered 12-21, but we can very well see to the alteration of the references in the text if you will let us have it back at once. I am, yours very truly, Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 24 January 1888