Showing 101–120 of 622 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.
Orchid anatomy. Catasetum exemplifies slight modification of structure leading to new structure.
Orchid anatomy. Wind as agent of self-fertilisation in orchids.
Orchid anatomy. Movements of labellum.
Repeating Gärtner’s experiment with Verbascum varieties.
CD writes of his admiration for pollination contrivances in Gymnadenia. Ask George Bentham whether this plant should be removed from genus Orchis.
JDH’s work on Gnetum: a living fossil.
Orchid anatomy.
Encloses lists of orchids and other specimens he would be interested in seeing.
Acropera anatomy puzzling. Malaxis anatomy deciphered.
Orchid anatomy.
Orchid homologies.
Sensitive responses in Catasetum.
Acropera becoming clear.
T. F. Jamieson impressed by JDH’s work on Himalayan glaciers.
Asks JDH to look at movement of labellum in an orchid.
Rostellum of Masdevallia.
JDH’s Fernando Po case.
Madeiran fauna pre-glacial according to Oswald Heer.
Orchid anatomy: homologies of column vascularisation.
Primula paper sent to Linnean Society.
CD fears he has misinterpreted vascularisation of butterfly orchid flowers.
Homologies of orchid flower vascularisation.
JDH’s letter on grounds of generalisation in plant morphology.
Faunal distribution and the glacial period.
Orchid homologies.
JDH asked to check Lindley on Acropera.
Transport of an orchid to Down.
Acropera species may be males of other orchids.
Homologies of ducts in orchids.
Went to British Museum to see Bates’s mimetic butterflies.
Rudimentary ovules of Acropera.
High opinion of Bates.
Orchid anatomy.
Henri Lecoq’s miserable book on plant geography [Étude sur la géographie botanique de l’Europe (1854–8)].
H. W. Bates’s pleasure at meeting JDH.
