Fritz Müller is now working on the Brazilian honey-bees (Melipona and Trigona).
HM thanks CD for fertilisation references.
Showing 41–50 of 50 items
The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Fritz Müller is now working on the Brazilian honey-bees (Melipona and Trigona).
HM thanks CD for fertilisation references.
CD can provide leaves of Dionaea if JSBS wishes to investigate electric currents in them.
His experiments show that the digestive action of Drosera seems like that of true digestion.
Comments on experiments of touching seeds with acid.
Writes for CD to thank RS for his very valuable information.
Reports a paper by H. von Kiesenwetter [Berliner Entomol. Z. 16 (1872): 370] on the Malthodes, some species of which appear to have a sex ratio with females greatly outnumbering males, suggesting the occurrence of parthenogenesis.
Has returned from Egypt because of trouble with his eyes.
Has read George Darwin’s article on consanguineous marriage.
Identifies three plants sent by CD.
Experiments on Mimosa.
Talks of his attempts to describe the course of descent for a part of the animal kingdom, and thanks CD for his help and support.
Going to the Ashanti war as Times correspondent.