Copy letter from Herbert Rix, to Dr Augustus Desire Waller, Fellow of the Royal Society 'Dear Sir, May I remind you that we have not yet received your Abstract of the Croonian Lecture? which Dr. [Michael] Foster says that you promised to send. It is desirable in his view to get one printed for the meeting. I should be glad, therefore, if you could let me have it soon. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 2 March 1896