Describes his research on cirripedes.
Comments on paper by AH ["Notice of a burrowing barnacle", Ann. & Mag. Nat. Hist. 2d ser. 4 (1849): 305–14]. Asks to borrow specimens.
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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.
Describes his research on cirripedes.
Comments on paper by AH ["Notice of a burrowing barnacle", Ann. & Mag. Nat. Hist. 2d ser. 4 (1849): 305–14]. Asks to borrow specimens.
Thanks AH for specimens of Alcippe.
Discusses capacity of Lithotrya to bore its own hole. Believes Arthrobalanus also makes cavities this way.
Asks to see paper on cirripedes by Sven Lovén.
Comments on paper by AH [see 1253].
Thanks him for specimens of Alcippe.
Comments on sketches by AH and on cirripede paper by Lovén.
Discusses Lithotrya and its burrowing habits.
Discusses the new genus, Alcippe, described by AH ["Notice of the occurrence on the British coast of a burrowing barnacle", Ann. & Mag. Nat. Hist. 2d ser. 4 (1849): 305–14]. Comments on Lithotrya, Clitia, and Anatifa. Discusses cirripede larvae. Asks which Mollusca specimens AH wishes to borrow.
Discusses mollusc specimens and related notes sent to AH. Thanks him for cirripede specimens. Discusses various cirripede species.
AH may keep CD’s MS as long as he likes.
Comments on various cirripede species. "I mean now to continue at Systematic Part till I have finished."
Thanks AH for specimens of cirripedes. Believes all species of Lithotrya bore.
Mentions AH’s ["On the boring of the Mollusca into rocks", Ann. & Mag. Nat. Hist. 2d ser. 2 (1848): 225–48]. Discusses anatomy and habits of Lithotrya.
Wants accurate information on "the economy of nature". Is interested in how far the struggle with other species checks the northern range of any species.
Thanks John Storey for information.
Discusses capacity of some cirripedes to bore into rock. Describes progress of his research.
Asks whether he can borrow from Joshua Alder an article [Sven Ludvig Lovén, "Ny art af Cirripedia Alepas squalicola", Ofers. Kongl. Vetensk. Acad. Förh. 1 (1844): 192–4] in order to have the plate copied. Asks to borrow additional specimen of Ibla.
Thanks AH for assistance and Joshua Alder for his kindness. Ibla specimens offered would not aid him.
Discusses capacity of some cirripedes to bore into rock.
Mentions Alcippe specimens borrowed from AH.
Relation of sexes in Ibla and Scalpellum.
Grateful for AH’s long letter and suggestions. Delighted at what he says about "complemental males". CD feared no one would believe in them but now that Owen, Dana, and AH accept them, he is content.
Agrees with AH on cross-impregnation; has collected facts on this head but has done nothing with them.
AH’s paper on Alcippe [Ann. & Mag. Nat. Hist. 2d ser. 4 (1849): 305–14] caused him to lose sleep over its anomalous structure.
Discusses Alcippe. Asks to borrow specimens. Would like to hire fishermen to collect specimens.
Has found plenty of male Alcippe on specimens. Would eventually like more specimens. Did not recognise males at first. Has found Alcippe difficult to make out.
Describes anatomy and growth stages of Alcippe in close detail.
Asks at what depth Alcippe is found and on what date the shell with Alcippe specimens that AH sent was taken.
Discusses taxonomic relations of Alcippe.
Thanks AH for assistance. Compares Alcippe to South American boring cirripedes.