From Henrietta Emma Darwin [1 August 1863]1
A young cat of about the age of 10 months when put upon a soft cloak or gown used to take a piece in her mouth & then pound with her claws out & purr.2
A memorandum describing the expressive behaviour of a cat with added notes by CD.
Please cite as
Darwin Correspondence Project, “Letter no. 4260F,” accessed on 29 July 2016, http://www.darwinproject.ac.uk/DCP-LETT-4260F