Encloses feathers from a diseased hen which has assumed cock plumage.
Forwards proofs of the engravings for Variation.
Showing 1–18 of 18 items
Encloses feathers from a diseased hen which has assumed cock plumage.
Forwards proofs of the engravings for Variation.
Gives some observations on orchids and on some plants which seem to be dichogamous.
Sends packet of Ononis columnae seed and references to the species.
Alexander Beatson mentions a bird in considerable numbers on St Helena which appears to contradict CD’s statement in Journal of researches that only introduced land birds exist there.
The Azores flora and fauna tell heavily against Atlantis joining them with America and against transoceanic migration from America.
Returns Primula paper [Collected papers 2: 45–63].
Alterations to the woodcuts of poultry for Variation.
Will do justice to CD’s objections to continental extension theory.
CD misunderstood his question about Isthmus.
Responds to CD’s other points about Madeira and the Azores.
Is attempting to sum up the two theories impartially and must raise all the difficulties with each. More on his differences with CD.
Appleton’s will not print a new edition of Origin.
AG has read sheets of new English edition [4th] and is much pleased by the passage on Richard Owen in the historical sketch.
Notes on examining Rhamnus Frangula
More on continental extension vs transport [or migration] hypothesis. New questions raised. On Madeira, why were insects and plants changed so much, birds hardly at all?
Erratic boulders of the Azores.
Hopes to arrive with MS of "Insular floras" on Saturday.
Returns two volumes of Felix Holt [George Eliot (1866)]
and the Coddington [lens].
John Smith will send Drosera.
Nation reports that Louis Agassiz holds that the Amazon Valley was formed since the glacial epoch.
Is looking for CD’s book [Variation]; does not know whether it is yet published.
Hopes to make good arrangement for publication of CD’s Variation.
Agassiz claims to have proved all of America was covered with unbroken ice during the glacial period.
BAAS lecture on "Insular floras" [see 5135] went well.
Responds to CD’s criticism of his handling of adaptation theory [in Rep. BAAS 26 (1866): liii–lxxxi].
No summary available.