To [?] 21 September 
Down. | Beckenham | Kent. S.E.
I am much obliged for your kindness in sending me the curious facts about your Cats.1 I have so many letters to write that I hope you will excuse my entering on the subject in detail.—
With my best thanks | I beg leave to remain | Dear Sir | Yours faithfully | Ch. Darwin
Thanks correspondent for sending curious facts about his cats.