Expresses his pride in FD, whose article ["On the structure of the snail’s heart", J. Anat. Physiol. 10 (1876): 506–10] was highly praised by G. H. Lewes.

Lewes has also been quoting FD’s letter in Nature [13 (1876): 384–5] on pycrotoxine in relation to the vivisection controversy.

Was introduced to James Sully, author of the article in Mind on Wilhelm Wundt ["Physiological psychology in Germany", 1 (1876): 20–43]

and Sensation and intuition (1874) [see 10320], by "Mrs Lewes" (George Eliot).

Discusses FD’s observations on the protrusion of protoplasmic masses by cells of the teasel. Suggests analogy with amoeba. "I would work at this subject if I were you, to the point of death."