As JH is interested in colors he sends him details of the color changes that the genus Ibla undergoes. Will send him a specimen if desired.
As JH is interested in colors he sends him details of the color changes that the genus Ibla undergoes. Will send him a specimen if desired.
Encloses samples of the Ibla. Outlines the method of making it change color. Hopes he will not have to re-write his geological chapter for the Admiralty Manual.
No summary available.
No summary available.
Seriously ill. Will forward manuscripts to JH by next week.
R.S.L. Physical Committee considering giving Copley medal to W. E. Weber for work in electromagnetism. Does JH concur? Other candidates are F. E. Neumann or A.L. Cauchy in physical optics, and Michael Faraday on condensation of gases. Rumford medal was awarded to H. V. Regnault for work on steam engine.
Thanks for the letter concerning William Mann; has no doubt now he will be appointed to Madras. Met Lady Herschel and Miss Herschel at Guthries. Is going to Burnsall or Hurst Green to see a mine exploded by CP's son. Wonders if JH would like to come and witness the explosion.
Does not think JH will be interested in the exploding of the mine by CP's son. Gives details of the arrangements.
Thanks for the gift of a copy of JH's Cape Results.
Relays gratitude of king of Prussia and royal librarians for copies of JH's Cape Results.
No summary available.
No summary available.
No summary available.
No summary available.
Has received the Cape of Good Hope observations. Regarding work on the Board of Longitude. Has received the portrait of William Herschel.
Thanks him for Balanus specimens. Comments on his findings. A large Acasta in the wet state would be valuable. Asks JSB to mention his work to J. T. Quekett at the College of Surgeons.
Testimonial recommending B. Waterhouse Hawkins [for a teaching post].
Suggests various remedies for toothache.
Seeks excuse from jury duty on grounds of ill health.
CD asks if he may have the use of the cirripedes JS collected in Portugal. He will need to break up or make a section of at least one of each species.
Expresses admiration for JS’s paper on Malta ["On recent depressions in the land", Q. J. Geol. Soc. Lond. 3 (1847): 234–40], with its striking demonstration of the change of level between land and water there discovered.