Reports on the snakes he collected in the Galapagos.
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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.
Reports on the snakes he collected in the Galapagos.
Sends his photograph.
Asks for any information of well-marked sexual differences in snakes, batrachians, or lizards. The rattlesnakes at the Zoological Garden differ considerably in colour.
Thanks AG for information.
Asks AG for details of variation in patterning of the banded snake.
Sends a list of queries for AG.
Asks whether AG can supply specimens for illustrations [for Descent]. Hopes Mr Ford will do the drawings.
Is "astonished & deeply grieved" at loss [of AG’s wife].
Thanks AG for full answers to queries.
Delighted Mr Ford will undertake drawings [for Descent]; comments on some illustrations he would like.
Sends some questions on secondary sexual differences of fishes [missing], which he hopes AG will look over.
Invites AG to come to Down.
Encloses queries on sexual differences and nest-building habits of fish.
Thanks for answer to questions.
Has analogous questions on reptiles that he will send to AG. The subject interests him, but CD must try not to fall into his common error of "being too speculative".
Sexual differences in reptiles, especially Indian [see A. Günther, The reptiles of British India (1864)].
The Cyprinodontidae family of fishes exhibits sexual differences as remarkable as any in reptiles or birds [Descent 2: 7, 9–10].
Sends proofs of his fish paper.
Will observe modification of colour in fish.
Is studying the development of the axolotl.
Encloses notes in reply to CD’s queries on fishes.
Note on sexual differences in Monacanthus.
Mr Ford is attending to CD’s drawings [for Descent].
Death of AG’s wife.
Replies to CD’s queries on sexual habits and differences in fish and lizards.