To William Robert Grove1 26 April 
Down Farnborough Kent
My dear Sir
I am much obliged to you for informing me that I have been elected a member of the Philosophical Club.—2 I feel extremely much pleased and honoured.—
With my thanks | I remain | Your’s very faithfully | C. Darwin W. R. Grove Esqe | F.R.S. &c &c—
Is honoured by his election to the Philosophical Club [of the Royal Society].