Believes that weakness of hybrids explains Biblical injunctions against improper unions.
Showing 101–120 of 255 items
Believes that weakness of hybrids explains Biblical injunctions against improper unions.
Encloses statement of U. S. sales of CD’s work to 29 April 1878 and sends a cheque for balance due to CD.
Gynodioecism in Ranunculus acris.
Gynodioecism.
Extract from Athenæum 11 May [1878], p. 606, of R. I. Lynch on germination of the provision tree.
Prof. Wood-Mason has examined Otto Zacharias’ insect photographs and confirmed the genera.
RM is going to work up Fritz Müller’s observations into a paper.
Sends some "composite portraits", including three of their family ancestors, as described in Nature [18 (1878): 97–100].
Has found a few examples of Ranunculus repens with stamens reduced as in R. acris.
Applies sexual selection to origin of dog race [deerhound]. Proposes descent from a large extinct dog.
Requests, as Treasurer of the Knockholt & Chevening Footpath Fund, part of the amount guaranteed by CD and family to defray expenses incurred in resisting closure of the footpath.
Pleased with CD’s praise of his work. He agrees with CD that intermediate marine fossils are rare in the same bed. The difficulty is overcome by extensive search of "isotopic" fauna in different beds of the same "isotopic" region.
Sends article on "Evolution" [Encyclopaedia Britannica, 9th ed.]. CD will be interested in Lamarck’s opinions in 1794.
Is working on crayfish and their distribution.
JDH’s scheme for lowering F.R.S. fees by creating a fund through membership subscription.
Report of an "eight legged horse" considered to be an example of reversion.
Comments on publication of his Atlas der Botanik [1878]. Discusses possible English edition. Draws CD’s attention to plates of Drosera in Atlas. Mentions contribution offered by Hermann Müller, and support by German professors of botany.
Would like to read Weismann’s essay on Daphnidae.
Fritz Müller’s paper on odours emitted by butterflies was read at last Entomological Society meeting.
Thinks it would be a good idea to give the typing machine to Karl Semper.
Thanks for permission to use CD’s observations on instinct. Would like to use CD’s MS chapter in preparing forthcoming book [Mental evolution in animals (1883)].
Comments on positive response to publication [of Atlas]. CD’s approval will help make an English edition possible. Rejects suggestion that CD should subscribe.
Thanks for permission to use CD’s MS chapter on instinct for forthcoming book.