Criticises chapter on good effect of crossing in Variation: (1) does not accept that inbreeding alone results in degeneracy; (2) good effects of crossing exaggerated; (3) denies deleterious effects of close marriage in humans.
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Criticises chapter on good effect of crossing in Variation: (1) does not accept that inbreeding alone results in degeneracy; (2) good effects of crossing exaggerated; (3) denies deleterious effects of close marriage in humans.
Ask whether CD would like to subscribe again to National Education League. Describes the League’s goals.
Discusses buying a horse [for CD].
Conveys some information on a quiet horse which CD may be able to purchase from a riding school.
Statement of sales of U. S. edition of Origin.
Sends a copy of Notes and Queries for Francis Galton, as it contains a reply to Galton’s circular on hereditary genius.
RS much refreshed by his trip to Down.
Believes he has found a quiet cob suitable for CD. Encloses a letter for CD to sign and send to the owner if he approves the idea.
Compliments Origin.
Sends extract about a waterplant to illustrate CD’s points about the means of dispersal in geographical distribution.
Sends information on the distribution of various species in the U. S.
Asks who the gentleman is who is studying cattle skulls; RS has some that he would like examined.
Is glad to hear that CD is pleased with AN’s notice of his work on pigeons.
He will not soon forget the pleasure of his visit to Down.
About a dog she supposes was suckled by a cat, since it washes its face with its paws.
Louis Agassiz’s ill health means AG will not get an answer to CD’s query from him. Suggests CD ask Agassiz’s son, Alexander.
Has no details about the origin of the cat-like behaviour of his dog.
Draws CD’s attention to a paper by Maurice Girard containing observations on the fertilisation of Orchidaceae by two species of Longicornia [Ann. Soc. Entomol. France 9 (1869): xxxi–xxxii].
Hopes CD is coping with the very hard winter.
Sends specimens of Passiflora and seeds for T. H. Farrer [letter enclosed with 7188].
Sends CD some notes on the habits of the "American Blight Bird" in New Zealand.
Notes the differences in haemoglobin between species; this proves, to WP, that natural selection does not act only on morphological development.
Remarks on the differences and similarities in the effects of prussic acid on different groups of animals.
Questions CD on his early education and influences.
Moritz Wagner is going to attack selection theory in his new book on his travels in America [Naturwissenschaftliche Reisen im tropischen Amerika (1870)].
K. G. Semper may attack CD’s theory of coral islands.
Suicide is rare among savages [see Descent 1: 94].