Describes the flower and mode of action of a particular orchid.
Has been examining Spiranthes and is experimenting to see whether insects are necessary for its fertilisation.
It seems that Oncidium is designed so as not to be fertilised.
Showing 1–6 of 6 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.
Describes the flower and mode of action of a particular orchid.
Has been examining Spiranthes and is experimenting to see whether insects are necessary for its fertilisation.
It seems that Oncidium is designed so as not to be fertilised.
Statement of sales of U. S. edition of Origin.
Answers to CD’s questions on expressions among the Atnah and Espyox Indians of Nass River [see Expression, pp. 22, 232, 252, 260].
Discusses the debate in America over the relationship among Indian tribes. JTR does not believe Indians are all of one race; they are as varied as Europeans.
[Forwarded to CD by Asa Gray.]
The two names CD could not read are "Atnah" and "Espyox" [see 5478].
He and George Thurber would like CD’s autograph.
Statement of sales of U. S. edition of Origin.
Statement of sales of U. S. edition of Origin.