On 19 February 1882, CD recorded a payment of £40 under the heading ‘D^r Brown for M^rs Cupples—Charity’. In 1872, Anne Jane Cupples had provided CD with information on the expressions of dogs that howled to music (see Correspondence vol. 20, letter from A. J. Cupples to Emma Darwin, 8 November [1872]). In 1877, CD had written to the the Royal Literary Fund in support of Cupples’s work and to confirm her need (see Correspondence vol. 25, letter to Octavian Blewitt, 1 January 1877).