CD questions ADB on the mode of feeding of geese and on the existence of variations in the structure of the bill; is trying to trace gradations in structure and habits.
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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.
CD questions ADB on the mode of feeding of geese and on the existence of variations in the structure of the bill; is trying to trace gradations in structure and habits.
Asks whether any goose sifts water with its beak.