No summary available.
No summary available.
Finds his grief over his daughter Anne’s death still strong.
Is following Lyell’s advice about publishing his species doctrine. It is not to be a sketch, however, but as perfect as his 19 years of work will allow. His work on pigeons has been invaluable on many points. "No subject gives me so much trouble as means of dispersal of terrestrial production in the oceanic islands."
Finds "most remarkable differences" in skeletons of rabbits.
No summary available.
Offers TCE dog’s skin and skull received from W. F. Daniell in West Africa.
Mentions his experiments involving hawk pellets in seed distribution.
Reminds TCE about pig crosses and incisors.
Agrees with JDH that Cytisus report [presumably of a large change] not sound. CD pleased because, if true, species would change too quickly.
No summary available.
No summary available.
Responds to CD’s queries on Sierra Leone: fertility of European animals introduced to W. Africa, relationship of health and complexion of Europeans, etc.
The bearer has called for the books. Requests volumes of Isis for 1828 and 1829.
Thinks it may be a good idea to utilize aluminium to coat the speculum of reflecting telescopes. Is shortly to take command of iron works and furnaces and hopes to carry out experiments to produce barytic glass.
No summary available.
CD coming to London.
Read JDH’s review [Hooker’s Kew J. Bot. 8 (1856): 54–64 et seq.] of Alphonse de Candolle’s Géographie botanique raisonnée [1855] long ago.
No summary available.
No summary available.
Thanks for offer of Helix for experiment. Asks for assistance. Mentions failure of his own experiment involving Helix pomatia.
No summary available.
Sends [William?] Pole's paper on color blindness, in case JH wishes to examine it.
No summary available.
Found his letter acknowledging the gift of his book awaiting him on his return from the continent. Reasons why he wrote the book. Has had letter from William Whewell. Hears that JH's health has not been good.
Thanks AG for the first part of his "Statistics [of the flora of the northern U. S.", Am. J. Sci. 2d ser. 22 (1856): 204–32; 2d ser. 23 (1857): 62–84, 369–403]
and for information on social and varying plants.
Would like to know number of genera of introduced plants in U. S.
Is surprised at some affinities of northern U. S. flora and asks for any climatic explanations.
Asks what proportion of genera common to U. S. and Europe are mundane.
Is glad AG will work out the northern ranges of the European species and the ranges of species with regard to size of genera.