Copy letter from Herbert Rix, to A B Rendle, Natural History Museum, S.W. 'Dear Mr Rendle, Many thanks for your letter, the substance of which agrees with that of the other specialists who we have consulted. I have no doubt it will have weight with the Committee. Yours truly Herbert Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 2 April 1891