Expresses his pleasure at the opportunity of meeting CD.
Showing 21–40 of 71 items
Expresses his pleasure at the opportunity of meeting CD.
Wants to know why Horace has been removed from school without any notification.
On proportion of sexes in birds.
Has heard from W. Engelmann of Leipzig; he is willing to let CD have the woodcuts to Fritz Müller’s work [Für Darwin (1864)] for 22 thalers.
Courtship of goldfinches. Male display. [See Descent 2: 95.]
Had hoped that the intention of removing Horace from school had been abandoned and regrets that it has not.
Results of his examination of divergence in sexual coloration of tropical American butterflies. [See Descent 1: 389 on Junonia and Papilio.]
On the proportions of the sexes in silk moths, fish, and eels.
On proportion of sexes [of moths?] raised from larvae: AW does not select largest exclusively.
Account of lambing in 1864 after unusual drought.
Coloration of butterflies; brilliantly coloured females.
Commends CD on his paper on specific differences in Primula [J. Proc. Linn. Soc. Lond. (Bot.) 10 (1869): 437–54; reprinted and revised in Forms of flowers] as a test-case proving origin of real species.
Thanks for Variation.
Sexual selection of pigeons, ducks;
polygamous birds.
Some questions on errata in second English issue of Variation.
Sends a paper by Robert Hartmann on domestic animals of the countries bordering the Nile ["Geographische Verbreitung der im nordöstlichen Afrika wild lebenden Säugethiere" Z. Ges. Erdkd. Berlin 3 (1868): 28–69, 232–70, 345–68, 404–20].
Has thought much about CD’s theory of Pangenesis. It "seems rather a little too complicated … as a molecular theory".
Proportions of male and female lambs.
Will start translating Für Darwin. Suggests it be called "A Lift for Darwin".
On sterility of natural species and natural selection. Closely allied forms from adjacent islands offer best chance of finding good species fertile inter se.
Problem of minute variations and sexual selection.
Sends papers.
Writes of his son’s affairs.
Is reading Variation and discusses a point relating to feeding habits of horses.
Reports her sister-in-law’s observations of her child, up to three months old, while crying and screaming.
Asks for CD’s "candid criticisms" of his paper [on Variation].