Summary

He is no longer able to answer any of the correspondent’s questions concerning corals.

Places "much trust" in J. D. Dana.

Summary

Thanks for Epipactis palustris. Doubts moths are the visitants. Thanks for experiment.

Summary

Has read GM’s review and thanks him for its fair and liberal spirit. Discusses briefly several specific difficulties raised by it.

Summary

Mentions George Maw’s "good review" of Origin [Zoologist 19 (1861): 7577–611].

Relates remark by J. S. Mill concerning soundness of logic and method of Origin.

Is at work [on Orchids and Variation].

Summary

"You could not possibly have told me anything which would have given me more satisfaction than what you say about Mr. Mill’s opinion." [See 2868.]

Summary

Is writing his paper on orchids.

Is surprised that AG gets little or no response with Drosera.

Describes the two forms of Primula and asks whether AG knows any analogous cases of dimorphism.

Reports that John Stuart Mill approves of CD’s scientific method.

Discusses American politics.

Summary

Has been idling and enjoying the scenery.

"At dinner we were all sticking bits of ice together by their points, marvelling at the phenomenon and talking of you."

Summary

Distribution of varieties and subspecies.

George Maw’s review of the Origin [Zoologist 19 (1861): 7577–611].

Summary

Thanks JL for assistance with William Darwin’s banking partnership; considers everything is now settled.

Is enjoying himself and doing a little work on orchids.

Summary

On orchids supplied by Kew; homologies of pollen and rostellum.

Summary

Puzzled by function of orchids’ rostellum.

Orchids’ pollen concentrated in two pollinia; hence one flower can fertilise only two others. This may explain precision of orchid pollination mechanisms.