A newly-elected Fellow sends a signed obligation and subscription to CD as Secretary of the Geological Society of London.
A newly-elected Fellow sends a signed obligation and subscription to CD as Secretary of the Geological Society of London.
Transmits, as on former occasions, the Smith, Elder & Co. account for the now published third number of the third part of the Zoology.
Acknowledges Journal of researches and in return sends the first volume of his History of British birds [1839–43].
Discusses details of LJ’s part of Zoology [Fish].
CD is working hard on Coral reefs.
Detailed evidence for and against geological elevation along coast of the Indian subcontinent, South Asia, and Arabia. Extensive references to geological literature about these areas.
Describes coral sand-dune and salt-marsh formation.
Acknowledges receipt of CD’s gift of the Journal of researches. Praises CD’s "ingenious" views.
No summary available.
No summary available.
Will not be able to come to town for some time so sends answers to JH's comments on his Circular Register. Hopes JH can call to see him; then he can explain more fully.
Thanks for JH's letter and for the references to meteors. The Austrian observations are important. Gives news of American observers and their work.
Apologizes for having been too busy to sit for a portrait as proposed, thanks HO for his poems, and describes JH's current experiments related to photography.
Confused by an 'unfixed' photo from JH in which the image shows different effects from different colors of the spectrum. Also other comments on photography.
Sends JH a positive copy and a transparency. Remarks on JH's use of muriate of lead and asks JH to explain chemistry of it.
[Two copies of] Printed letter from R.S.L. announcing proposed system for global magnetic observations. [One copy edited by JH for submission to "Your Highness" with] Request for assistance in adding magnetical observatory to John Caldecott's astronomical observatory in Travancore [India].
The report by G. B. Airy, Thomas Henderson, and JH on N. L. Lacaille's stars will be brought forth at the next meeting of the B.A.A.S. JP requests a copy in advance of the meeting.
A report by JH, George Peacock, William Whewell, and Humphrey Lloyd on magnetic observations will be read at the B.A.A.S. meeting in August.
Preparations for departure prevented JR from dining with JH at Slough. Working on pendulum with Edward Sabine. Thanks JH for sending gimbals.
Advises JH to have Foreign Office send letter to Col. Campbell, consul in Alexandria, to accompany R.S.L.'s letter to Pasha. Otherwise, R.S.L. letter may be ignored. Good news from [Duncan Stewart]. JS is not going to Scotland; may visit Slough instead.
Is willing to be a witness to some battery experiments by J. P. Gassiot, but JH is busy, mostly with house hunting, and so may not be available.
Declines an invitation to visit JH; comments on political situation in South Africa.