Expresses gratitude for JH's considerations of his work on the Bank of England. Claims the Bank needs major reform. Wants an influential voice to back his claim; asks JH to be that voice.

Because RW has had no response from JH, he is worried that if the letter and printed material were not lost, then JH must be dissatisfied with what RW had written about JH's father, William.

No summary available.

Congratulates EH on approaching marriage.

Sorry he will not visit in autumn.

Glad EH is re-examining Protoamoeba but puzzled to think what he can find.

Describes newspaper account of criticism by Agassiz of Generelle Morphologie.

Has been too busy to write. Is leaving for Switzerland that evening.

A friend, who ran away from home as a boy, has two sons who have done the same several times. Is the case worth investigating for CD?

Expresses awe at scientific advances during SW's lifetime. Concludes that scientists since Francis Bacon failed to account for human variation when concluding experimental results.

Acknowledgment of article on mimicry [Westminster Rev. 88 (1867): 1–43].

Sends W. M. Canby’s observations on the carnivorous powers of Dionaea. [See Insectivorous plants, pp. 301, 310, 313.]

Thanks RW for sending copies of RW's memoir on JH's father. States that JH has now revised a catalogue of all JH's father's double stars.

Has distributed CD’s questions on expression. Observations on the natives.

Floral structure encouraging cross-pollination in Polygala.

Acknowledges receipt of WJ's treatise on logic, and comments on it.

Will seek answers to CD’s questions on expression. Observing patients’ blushing. Is CD interested in the platysma during screaming under chloroform?

In light of JH's interest in and contribution to photography, encloses with explanation photographs produced by 'the Carbon process' using Indian ink coloring.

Thanks for kind reply and favorable opinion on his Geometry. Arthur Cayley also expressed a favorable opinion on his writings. Would like a testimonial from JH for the Chair of Mathematics at Cork.

Regarding a suitable coachman for JH.

Asking for answers to specific questions in hydrodynamics, which may be related to a future patent application.

Cannot supply testimonial as he has no knowledge of any other of JM's writings, nor does he know him personally.

Curious to read what CD will say on man and his races.

Has CD seen Ludwig Rütimeyer’s Ueber die Herkunft unserer Thierwelt (Rütimeyer 1867c)?

Discusses J. F. W. Herschel’s theory of active volcanoes existing at the junction of continents and the sea.

Wynne [gardener] suggests he should be paid from the money from the sale of the Mount, but EAD suggests an annual subscription instead.

Thanks CD for sending F. H. G. Hildebrand’s book on fertilisation [Die Geschlechter-Vertheilung bei den Pflanzen (1867)]

and J. D. Hooker’s "Lecture on insular floras".

Describes work on Rubiaceae, Oxalis,

and on crossing orchids. Lists crosses made.

As for CD’s query concerning sexual differences among invertebrates, he gives the case of the local amphipod, Brachyscellus diversilor. Male differs in shape of antennae and coloration.

Also mentions local fish in sea near Sta Catharina which emits melodic tone to attract females.