Summary

Thanks him for letter and Balanus specimen.

Acasta is curious; may be a new genus.

Is sending copy [of Fossil Cirripedia 1]. Correcting proofs [of Living Cirripedia 1].

Mentions comment by Hermann Abich on JDD’s chapters on the Sandwich Islands [in Geology (1849)].

Summary

Thanks for note of 13 May and tracings of the "curious Bopyrid".

Is astonished at amount of work JDD does and frightened it will cause ill-health, such as CD has experienced.

Summary

Gratified by JDD’s opinion of his work.

Discusses problem of homologies of cirripede larva in first stage and reasons for his view.

JDD’s information on corals was just what CD needed.

Would like specimen of blind cave rat described by B. Silliman [Jr] ["On the Mammoth Cave of Kentucky", Am. J. Sci. 2d ser. 11 (1851): 336] for Waterhouse to examine.

Discusses origin of Australian valleys; he disagrees with JDD’s river-erosion hypothesis.

Summary

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.

Summary

Asks whether the blind cave animals described by B. Silliman Jr [Am. J. Sci. 2d ser. 11 (1851): 332–9] belong to genera found only on the American continent.

On geographical distribution of Crustacea, CD asks whether northern genera sent species to the Southern Hemisphere or did southern genera send species north?

Does he know of any author who has described fossil trees in South Shetland Islands?

Summary

Thanks JDD for information.

Discusses Acasta sporillus.

Comments on review of first volume of Living Cirripedia [Am. J. Sci. 2d ser. 14 (1852): 125–7].

Asks JDD to examine Lerneidae.

Will read with interest the geographical discussion of Crustacea when JDD’s volume [Crustacea (1852–5)] appears. John Lubbock will purchase a copy.

Discusses error in Living Cirripedia.

Summary

Sending first volumes on Living and Fossil Cirripedia. Solicits JDD’s opinion, especially on sexual relations of Scalpellum and Ibla, on which he "hardly expect[s] to be believed".

Sends unusual crustacean specimen collected by B. J. Sulivan.

The Sporillus sent by JDD is a very curious species of Acasta [see Living Cirripedia 2: 319].

Asks JDD to identify and give geographical distribution of pieces of coral in which some cirripedes are imbedded.

Summary

Discusses cirripedes collected by JDD.

Gratified that he agrees "to some extent" with CD’s views on coral reefs.

Mentions his health.

Asks for JDD’s publication on cirripedes.

Sends message from William Baird concerning Crustacea research of J. O. Westwood.

Mentions Joseph Leidy’s discovery of cirripede eyes.

Summary

Comments on JDD’s book [Geology (1849)]. Is sending copies of various geological papers. Their agreements and differences on coral reefs, volcanic geology, denudation, and subsidence.

Comments on Robert Chambers’ book [Ancient sea-margins (1848)].

Asks to borrow cirripede specimens.

Summary

Responds to JDD’s objections to his views on the three pairs of appendages in larvae of cirripedes. Reports observations which confirm his views.

Gives his confidential opinion of A. White, C. S. Bate, T. Bell, and W. Baird.

Interested in JDD’s observation that Crustacea are not most developed in the tropics. If JDD ever works it out either in number of species or rank, CD would be glad to have result.

Comments on article by Henri Milne-Edwards ["Crustacés", Ann. Sci. Nat. (Zool.) 18 (1852): 109–66].

Summary

Thanks for sending paper on geological development (Dana 1856). Discusses infertility of species. Discusses first part of Asa Gray’s paper (A. Gray 1856–7). Thanks for note on the Cave Rat. Discusses a new species of fossil cirripede, in the genus Chthamalus. Explains his interest in pigeon breeding.

Summary

Responds to JDD’s letter [3845].

Discusses his own poor health.

"Man is our great subject at present."

Lyell’s book [Antiquity of man (1863)] sold 4000 copies on day of sale.

"The fossil bird [Archaeopteryx] … is a grand case for me." Wishes a skeleton could be found in the "so-called red sandstone foot-step beds".

Summary

Discusses attachment of antennae in larvae of cirripedes.

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