Tells CD of his many experiments on interarching vines, potato tubers, exudation of carbon dioxide from roots,
and the synchrony of the pulse and the step while walking.
Would like to meet CD.
Tells CD of his many experiments on interarching vines, potato tubers, exudation of carbon dioxide from roots,
and the synchrony of the pulse and the step while walking.
Would like to meet CD.
Has observed a dun pony with black stripes.
Intends breeding native fowls and will happily furnish CD with any information he can.
Discusses the domestication of animals.
Will be in London tomorrow and will try to pop over to Kew.
Thanks for GR’s "Address" [see 10141].
Wishes he had not quoted Bagehot’s remark [in Descent 1: 239] about decrease in savage populations. Interest in subject.
Further discussion of the process of aggregation in response to [10137].
Reports a hybrid ram and sow, the cuino of Mexico, which is very common and fertile.
RLT speculates on the "moral nature" of parental protection shown by humans and traces it back to its first occurrence in the animal world.
Proofs have come. It will be jolly coming down to Southampton.
CD gives a few instances of various animals (starfish, earwigs, spiders) that take charge of their young.
Thanks for Thomas Belt’s Naturalist in Nicaragua [1874], which confirms some of his observations,
and for Insectivorous plants, which he praises.
Suggests that a book integrating knowledge of plant–animal interactions be written by a Darwinist.
Defines biology as the science of external interactions.
German reception is far more positive than Italian.
Has read CD’s book on Drosera [Insectivorous plants] and found that it presents new material and is very interesting.
Has discovered that the parasites he thought he had found in Melipona nests are in fact true females. It is remarkable that they differ so greatly from the sterile females and males of their species.
Sends comments and suggestions for Huth’s experiment on crossbreeding rabbits.
FD has asked J. B. Sanderson about Mucin.
Examples of pupillary dilation.
Requesting two books, Lafitau 1724 and Tanner 1830.
Thanks SN for his explanation of vines.
Discusses SN’s observation on roots secreting carbonic acid.
Discusses foliation and cleavage. Comments on dip of cleavage laminae in mountains. Mentions views of Sedgwick and Studer. Suggests reading C. L. von Buch [Travels through Norway and Lapland (1813)] "as an amusement". Praises views of William Hopkins. Suggests reading paper by H. D. Rogers ["On cleavage of slate-strata", Edinburgh New Philos. J. 41 (1846): 422–3)]. Comments on the paper.
Informs CD of Chauncey Wright’s death.
On fertilisation in certain orchids.
Writing article for a German newspaper on CD’s life. Requests autobiographical information.