Asks GHD what the chances are against squinting and non-squinting children coming alternately in a family of ten.
Asks GHD what the chances are against squinting and non-squinting children coming alternately in a family of ten.
Has a small living at Norton Canon.
Will visit Charles Whitley next week.
Requests that correspondent take some action regarding the state of horses on his farm. Robert Ainslie of Tromer Lodge, Down, was fined in 1852 following CD’s complaints.
Thanks for letter. Regarding the use of oxygen when ballooning. Comments on other aspects of high altitude flight.
No summary available.
Discusses opinions of Charles Darwin's theories. Doubtful that the day has shortened due to tidal forces since the earth's beginning. Alexander Herschel helps in the revision of William Herschel's double star catalogue. Alex is preparing to lecture at Glasgow University.
No summary available.
A report on his somewhat improved health.
Sending his observations on the effect of the moon on the earth's atmosphere.
No summary available.
CL is aware that she is dying and so says her farewells.
Discussion of ducks. CD asks for information on a domestic Chinese race about which Robert Swinhoe wrote to CD. Compares Chinese duck with Anas poecilorhyncha and Boschas.
Notes improvement in health.
Has received his letter and the sheets of the translations. Comments on this and outlines further plans for translating.
Expresses concern that the present rate of use of natural resources and the increase in population may create serious problems in the future.
Regarding the structure and surface of the moon as revealed by stereoscopic photography.
Comments on CD’s health.
Discusses origin of life and differentiation of principal classes of plants and animals.
Discusses Generelle Morphologie and its chapter on embryological development.
His lectures on CD’s theory.
Asks CD for larger portrait of himself and for several copies of the small photograph. Will send photographs of German scientists in exchange.
Has been reading JH's letter of 1862 concerning aerial flight and would welcome any hints or suggestions from JH on this subject.
Has read FM’s paper on sponges ["Über Darwinella aurea", Arch. Miskrosk. Anat. 1 (1865): 344–53] with interest.
Has also read FM’s work on the metamorphoses of Peneus [Ann. & Mag. Nat. Hist. 3d ser. 14 (1864): 104–15], an interesting and important embryological discovery.
CD regards Louis Agassiz’s opinions as valueless.
No summary available.
Has made observations on bees’ cells. Their dimensions are not constant, nor do single bees make single cells; each one is a result of co-operation.