Observes Plantago’s out-crossing mechanism.
Observations of style lengths of primroses and cowslips.
Showing 1–20 of 111 items
Observes Plantago’s out-crossing mechanism.
Observations of style lengths of primroses and cowslips.
Discusses dimorphism in linum and primula. Describes death of Mrs. Ashworth.
No summary available.
No summary available.
Convinced length of stamens has no relation to powers of fertilisation in many plants.
Suggests experiments on Pelargonium and Phlox.
Advises about use of microscope.
His satisfaction at CD’s acceptance of book as well as total public acceptance. Murray has given him a £250 advance. His pleasure at Asa Gray’s words.
Next task will be to write on origin [of species] by segregation of local races.
No summary available.
Impressed by JS’s attempts to fertilise Gongora.
CD has large collection of notes on orchids, but does not know when he will publish on them again.
Asks for JS’s papers on sterility of individual orchids and on Drosera.
Returns paper of G. B. Airy, Astronomer Royal, and submits report on it.
Requests JH send an essay for the Leeds Astronomical Society lecture series.
Sends observations on [Anchusa] plants from Isle of Wight.
Glad to hear of the plant; CD instructs WED to make further observations. If it is a good case he will insist on WED’s sending a communication to the Linnean Society.
Replies to a reviewer’s statement, that any theory of descent will connect large classes of facts, by pointing out that no other explanation has been as satisfactory as natural selection. But whatever view is adopted "signifies extremely little in comparison with the admission that species have descended from other species and have not been created immutable".
Discusses dimorphic plants.
Encloses plants derived from a cowslip–polyanthus cross.
Glad CD likes his Presidential Address to Geological Society [1863].
Will continue the practice [of discussing the break in succession of strata].
Has devised a diagram showing number of genera and species in each geological formation and the number that pass from formation to formation.
Describes the glaciated terrain of S. Wales.
Introduces JH's son Alexander to PS, and hopes PS will support Alexander, who is seeking to become Assistant Secretary of the Royal Geographical Society.
CD is right on heterostyly in Primula. High praise. Has confirmed it with Primula polyanthus.
Falconer going to France in defence of his views.
On scientific squabbling.
Herschel’s theory of the earth.
Bates’s book.
Falconer’s letter [attacking CL, Athenæum 4 Apr 1863, pp. 459–60] is most unjust.
Regrets his letter [to Athenæum, on heterogeny] now criticised by Owen.
Comments on article by Samuel Haughton [On the form of cells made by wasps – with an appendix on the origin of species (1863)].
Mentions forthcoming reviews by Asa Gray [in Am. J. Sci.].