Reports that N. J. Andersson finds every European willow bar one is also American.
Has heard from David Livingstone and reports on his progress.
Showing 21–40 of 52 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.
Reports that N. J. Andersson finds every European willow bar one is also American.
Has heard from David Livingstone and reports on his progress.
Gives calculations on the structure of bees’ cells.
Encloses projections and models relating to geometry of bees’ cells.
Sends a model of bee cells "as bad as a Chinese puzzle". [A series of paper cut-out figures.]
Thanks for queen-bee larva and pupa.
Nervous system of Coccus.
Discusses geometry related to the structure of bees’ cells. Encloses notes and diagrams dealing with intersections of spheres.
Self-fertilisation in Fumariaceae.
[CD note on bees’ visiting some members of Fumariaceae.]
Sends proofs [of "On the tendency of species to form varieties … ", read 1 July 1858, Collected papers 2: 3–19]. CD could publish his abstract [later the Origin] as a separate supplemental number of [Journal of the Linnean Society].
JDH has studied in detail CD’s manuscript on variable species in large and small genera and concurs with its consequences. Discusses methodological idiosyncrasies of systematists, e.g., Bentham, Robert Brown, and C. C. Babington, which complicate CD’s tabulations.
Discusses the absence of a native bee in New Zealand and the insects which probably performed its fertilising function [see "Agency of bees in fertilization", Collected papers 2: 21]. Describes the success of the naturalised hive-bee and also the rapid spread of introduced members of the Fabaceae.
The CD–Wallace paper has gone to press.
JDH’s tabulation of variable species from Bentham was done in haste.
Bees’ cells; is the hexagonal shape deliberate or merely the result of lateral pressure on cylinders?
Encloses a list of British perennials which seed in New South Wales and explains the source of his information. Lists plants which have become weeds in the country.
Cannot explain impurity of his alleged pure lines.
Sends more bean seeds.
Answers CD’s queries about seed lot he has just sent.
Has examined feet of many partridges, but has not been able to obtain any quantity of mud from them.
Further answers on his seed lot.
Information about about Kattywar (Kathiawari) horses in India.
Further information about about Kattywar (Kathiawari) horses in India.
Busy with introductory essay to [The botany of the Antarctic voyage, pt III] Flora Tasmaniae [printed separately as On the flora of Australia (1859)].
Now explains greater abundance of European species in Tasmania than in Fuegia by CD’s "refrigeration" hypothesis.