Discusses possible case of inherited memory involving Pompilus. Cites similar example of electric eel.

JL’s sentence about glaciation will do excellently. Is glad JL thought about dimorphism of butterflies.

Asks him to visit.

Discusses possible investments.

Concerning subscriptions raised for Torbitt’s experiments on potato disease.

Comments on CD’s latest book [Movement in plants].

Discusses the grazing habits of sheep and cattle on steep hillsides.

The debt of plant geography to voyages may be JDH’s topic at BAAS meeting [at Swansea].

Photographs from New Zealand forwarded.

Announces intention to hold a private conference with the Archbishop of Canterbury with the aim of encouraging men of science to reaffirm their religious beliefs and also to publish a series of articles in the Contemporary Review on the state of the various sciences.

Thanks JL for copy of Die Religionen [1881].

Will GHD ask Lord R[ayleigh] whether "gas-men in testing light, exclude the diffused light".

Arrived in Brazil three months ago. Studying insects and plants, but work suffers from lack of scientific literature.

Fritz Müller has written to him to observe relations between ants and plants.

Writing popular articles about evolution for German newspaper in Brazil.

Sends paper from Kosmos.

Expects to spend several years in Brazil.

Thanks VOK for the Russian tea.

Rejoices at his prosperity and appointment at Moscow [Associate Professor, Moscow University, 1880–3].

ARW’s view of migration of plants from mountain to mountain gains support from case described in Nature [23 (1880): 125–6] by J. G. Baker. Identical species of alpine plants found in African mountains and Madagascar.

Thanks AA for letter on coral reefs. "I used to think … that areas of elevation and of subsidence must – as a general rule be separated by a single great line of fissure, or rather of several".

Suggests that AA urge again his views on reappearance of old characters.

T. H. Farrer and James Caird express great interest in JT’s report. Have instructed CD to hold £90 for use by JT in spring. Caird asks that potatoes be sent to his gardener for trials.

On land migration of plants. The case in Nature is striking but CD doubts that seeds of plants could be blown from mountains of Abyssinia to mountains of Madagascar.

Encloses reply to Butler [Kosmos 8 (1881): 321–2]. Has also written a reply intended for English reader. Will have it translated for Popular Science Review if CD thinks suitable.

Report of Jäger accident was an error.

Kosmos has been purchased by Eduard Koch in Stuttgart and will continue as in the past.

Alarm over Wallace’s memorial; asks HWB if he has received it and forwarded it to Hooker. Wanted to get it to Gladstone before Parliament met.

Returns [Wallace] memorial.

Hopes to be able to send classification paper soon. [See 12935.]

Thanks WED for some earthworm observations.

Discusses investments.