Summary

RF’s specimens have arrived.

Summary

Because of health, CD will postpone coming to London until all drawings are finished.

Asks JdeCS, if he is able "with any honesty", to "purloin" for him a proof-sheet of Frederick Dixon’s plate with cirripedes [in Geology and fossils … of Sussex (1850)].

Requests statement of total owed to JdeCS as a guide to the future.

Summary

Read letter from CD offering a monograph of British fossil cirripedes.

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

Is sending JSB sponges.

He returns the Plumularia on which the beautiful Scalpellum ornatum was attached. [See 1229.]

Summary

Has lost a good many days and will need another fortnight to finish the pedunculate fossil cirripedes. The Palaeontographical Society will publish the fossil species. "If I was but better in health, I shd work quicker."

Summary

Explains that he is working on recent and fossil Cirripedia, and asks if WD can aid him with specimens of Roemer’s Pollicipes species.

Summary

Comments on paper by CHLW.

Considers effect of heat on bending of strata, and producing volcanoes and elevation.

"I can have no doubt that speculative men, with a curb on, make far the best observers."

Summary

Comments on CL’s Anniversary address [Q. J. Geol. Soc. Lond. 6 (1850): xxvii–lxvi]. Notes CL’s criticism of R. I. Murchison’s catastrophism.

Asks whether there are Lower Cretaceous beds in Scandinavia. Thinks Leopold von Buch must have neglected them.

Summary

Thanks JSB for cirripede specimens. Discusses publication [of Fossil Cirripedia].

Discusses his membership in Palaeontographical Society.

Summary

Discusses mollusc specimens and related notes sent to AH. Thanks him for cirripede specimens. Discusses various cirripede species.

Summary

Thanks JSB for information regarding Sylvanus Hanley’s residence.

Sends stamps for specimen.

Summary

Describes progress of cirripede research. Palaeontographical Society will publish monograph [Fossil Cirripedia].

Summary

Thanks SPW for his history of Aptychus, which makes A. D. d’Orbigny’s view [that it is a cirripede] improbable. [See Fossil Cirripedia 1: 3.]

Specimens SPW sent are very useful and interesting.

Summary

Illustration of RF’s fossil cirripede specimens by J. de C. Sowerby.

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."

Summary

Describes progress of research on fossil cirripedes. Comments on specimens sent by JS. Asks about age of several European formations, and for information about specimens.

Summary

Thanks for the information about a possible investment.

Summary

Parcel from AAG containing cirripede specimens has been received by CD from Hugh Cuming.

Summary

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