CD gives a few instances of various animals (starfish, earwigs, spiders) that take charge of their young.
CD gives a few instances of various animals (starfish, earwigs, spiders) that take charge of their young.
No summary available.
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.
No summary available.
No summary available.
Thanks CD for telling her "such exact truth". She saw Thomas Carlyle at Keston – the country air has done him good – "he is half sorry to have been so unsociable on his first arrival".
No summary available.
Examples of pupillary dilation.
Requesting two books, Lafitau 1724 and Tanner 1830.
No summary available.
Informs CD of Chauncey Wright’s death.
Thanks SN for his explanation of vines.
Discusses SN’s observation on roots secreting carbonic acid.
Working on plant physiology; has not strength to discuss difficult subject with anyone.
No summary available.
On fertilisation in certain orchids.
Writing article for a German newspaper on CD’s life. Requests autobiographical information.
Thinks CD’s case of twins with crooked fingers may be one from his twin study.
Agrees to write to William Ogle [about twins with crooked fingers].
Describes growth of sweetpeas for experiment.