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To Albany Hancock   [31 March or 7 April 1850]

Summary

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."

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  [31 Mar or 7 Apr] 1850
Classmark:  The New York Public Library. Astor, Lenox and Tilden Foundations. The Henry W. and Albert A. Berg Collection of English and American Literature.
Letter no:  DCP-LETT-1316

To Albany Hancock   15 [April 1850]

Summary

Thanks AH for specimens of cirripedes. Believes all species of Lithotrya bore.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  15 [Apr 1850]
Classmark:  J. Hancock (1886): 258–9
Letter no:  DCP-LETT-1321

To Albany Hancock   12 May [1850]

Summary

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.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  12 May [1850]
Classmark:  American Philosophical Society (Mss.B.D25.93)
Letter no:  DCP-LETT-1327

To Albany Hancock   25 May [1856]

Summary

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.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  25 May [1856]
Classmark:  J. Hancock 1886, pp. 277–8
Letter no:  DCP-LETT-1332

To Albany Hancock   25 December [1850]

Summary

Discusses capacity of some cirripedes to bore into rock. Describes progress of his research.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  25 Dec [1850]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1378

To Albany Hancock   8 June [1851]

Summary

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.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  8 June [1851]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1433

To Albany Hancock   22 June [1851]

Summary

Thanks AH for assistance and Joshua Alder for his kindness. Ibla specimens offered would not aid him.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  22 June [1851]
Classmark:  Natural History Museum (General Special Collections DC AL 1/4)
Letter no:  DCP-LETT-1437

To Albany Hancock   25 December [1852]

Summary

Discusses capacity of some cirripedes to bore into rock.

Mentions Alcippe specimens borrowed from AH.

Relation of sexes in Ibla and Scalpellum.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  25 Dec [1852]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1495

To Albany Hancock   10 January [1853]

Summary

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.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  10 Jan [1853]
Classmark:  Historical Society of Pennsylvania
Letter no:  DCP-LETT-1497

To Albany Hancock   29 January [1853]

Summary

Discusses Alcippe. Asks to borrow specimens. Would like to hire fishermen to collect specimens.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  29 Jan [1853]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1498

To Albany Hancock   10 February [1853]

Summary

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.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  10 Feb [1853]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1500

To Albany Hancock   12 February [1853]

Summary

Describes anatomy and growth stages of Alcippe in close detail.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  12 Feb [1853]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1501

To Albany Hancock   25 February [1853]

Summary

Asks at what depth Alcippe is found and on what date the shell with Alcippe specimens that AH sent was taken.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  25 Feb [1853]
Classmark:  J. Hancock 1886, p. 275
Letter no:  DCP-LETT-1504

From Albany Hancock   25 February 1853

Summary

Discusses taxonomic relations of Alcippe.

Author:  Albany Hancock
Addressee:  Charles Robert Darwin
Date:  25 Feb 1853
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1505

To Albany Hancock   30 March [1853]

Summary

Thanks AH for assistance. Compares Alcippe to South American boring cirripedes.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  30 Mar [1853]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1509

To Albany Hancock   24 August [1854]

Summary

Can AH spare Alcippe specimens for British Museum?

C. S. Bate has found Alcippe off Plymouth.

Discusses returning specimens to AH.

Owes to AH the discussion of powers of excavation of Verruca in Living Cirripedia [vol. 2 (1854)].

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  24 Aug [1854]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1580

From Albany Hancock   8 February 1868

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Summary

On the colours of the nudibranch Mollusca. [See Descent 1: 326.]

Author:  Albany Hancock
Addressee:  Charles Robert Darwin
Date:  8 Feb 1868
Classmark:  DAR 82: A51–4
Letter no:  DCP-LETT-5852

To Albany Hancock   17 July [1869]

Summary

Ernst Haeckel is working on calcareous sponges. Does AH have any British specimens that he can spare? [See 6842.]

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  17 July [1869]
Classmark:  E. C. Hodgkin (private collection)
Letter no:  DCP-LETT-6834A

From Albany Hancock   25 July 1869

Summary

Cannot help CD with his request for calcareous sponges.

Author:  Albany Hancock
Addressee:  Charles Robert Darwin
Date:  25 July 1869
Classmark:  DAR 166: 97
Letter no:  DCP-LETT-6842

To Albany Hancock   [21 September 1849]

Summary

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.

Author:  Charles Robert Darwin
Addressee:  Albany Hancock
Date:  [21 Sept 1849]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-1253
Document type
letter (24)
Addressee
Correspondent
Darwin, C. R. (24)
Hancock, Albany[X]
Date
1849 (4)
1850 (5)
1851 (2)
1852 (1)
1853 (7)
1854 (1)
1856 (1)
1868 (1)
1869 (2)
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