No summary available.
No summary available.
Sends two copies of his own General Theory of Terrestrial Magnetism, one for JH and one for the R.S.L.
No summary available.
No summary available.
As Secretary of the Geological Society of London, CD formally expresses thanks for the American Philosophical Society’s Proceedings, vol. 1, no. 6.
Writes, as Secretary of the Geological Society, to thank GAM for his presents, a slab of anthracite with plant impressions (from Philadelphia) and some fossils from Cornwall.
Invitation to dine at the Darwins’ with J. S. Henslow.
Presents the account of Smith, Elder & Co. for the now published second and third numbers of the first part of the Zoology.
Introduces Syms Covington and recommends him for employment in Australia.
A letter of reference for Syms Covington.
CD’s servant [Syms Covington] will work his passage to Australia.
Returns a curious stone, of which he hopes to publish an account. [See Volcanic islands, p. 38.]
Answers to [Questions about breeding].
A note accompanying some machine-made mathematical curves.
Writing at suggestion of [Francis] Beaufort. Needs information concerning [J. A.] Lloyd's observations concerning longitude of his observatory at Mauritius. Encloses prospectus of forthcoming work.
Sending an extract from one of his articles on the Theory of the Spinning Top. Relates this to the theory of Saturn's rings.
Concerning polarization of light rays in crystals of quartz.
Asks JH to comment on draft of letter from H.E.I.C. court of directors to Marquis of Northampton in response to R.S.L.'s request for support of magnetic survey.
No summary available.
Asks permission to add JH's name to the body of fellows of London University.
Will meet him at 10 a.m. to conduct him to the Botanical Gardens.