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To J. D. Dana   24 February [1850]


Regrets delay in sending pamphlets for JDD.

Thanks him for information concerning cirripedes.

Sends thanks to Charles Pickering for information about plant distribution.

Discusses boring species of cirripedes.

Believes Harry D. S. Goodsir mistaken about parasites on Balanus ["Observations on organs of generation in Crustacea", Edinburgh New Philos. J. 36 (1843–4): 183–6]. In fact parasites are the males of the species.

Author:  Charles Robert Darwin
Addressee:  James Dwight Dana
Date:  24 Feb [1850]
Classmark:  Yale University Library: Manuscripts and Archives (Dana Family Papers (MS 164) Series 1, Box 2, folder 43)
Letter no:  DCP-LETT-1305

From J. D. Dana   [before 29 December 1850]


Gives his opinion that the larval antennae in Lepas correspond with the inferior antennae, the superior not present, as in most Daphnidae. [See 1381.]

Author:  James Dwight Dana
Addressee:  Charles Robert Darwin
Date:  [before 29 Dec 1850]
Classmark:  Living Cirripedia (1851): 15 n.
Letter no:  DCP-LETT-1380A

To J. D. Dana   29 December [1850]


Discusses attachment of antennae in larvae of cirripedes.

Asks for information about how parasitic cirripedes are attached to host.

Author:  Charles Robert Darwin
Addressee:  James Dwight Dana
Date:  29 Dec [1850]
Classmark:  Smith College Library
Letter no:  DCP-LETT-1381
Document type
letter (3)