Gives observations on the habits of the "agricultural ant" of Texas.
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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.
Gives observations on the habits of the "agricultural ant" of Texas.
Reports on the habits of the cutting ant of Texas, particularly its habit of planting shade trees to protect its mound from sun.
Describes experiments with sterility in Abutilon.
Describes hermaphroditism in a wild Begonia in Brazil.
Has been observing humble bees on Salvia.