Interim report on the experiments with rabbits [to test Pangenesis].
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Interim report on the experiments with rabbits [to test Pangenesis].
The "man-essay" [Descent] is "very interesting but very difficult".
Cat-like behaviour in dogs.
Thanks for information from Louis Agassiz;
wishes he could feel he deserves what Alexander Agassiz says of him.
CD much interested by ERL’s book [On comparative longevity (1870)]. Is pleased to find ERL refers to CD’s "despised child" Pangenesis, and is also pleased how thoroughly ERL appreciates Herbert Spencer, a philosopher perhaps equal to any that has lived.
Is currently at work on the development in birds of organs of flight according to CD’s principles; asks permission to quote CD in stating the theory.
Urges CD to republish his works in a collected edition, to make them more readily available to Germans.
Experiments are not going well, but the quantity of blood transfused was small.
Explains that law of inertia, and most of modern mechanics, is all wrong. Explains his concept of "elasticity" of bodies. Applies it to physiology.
Describes the unusual appearance of a horse whose mother had previously borne a foal by a quagga. The effect of one mating on the subsequent pregnancy of another mating is explained by JJW using Pangenesis.
CD thinks JJW’s account [in 7137] is significant for a theory of generation and should go to some scientific society; suggests additional data is needed. Quotes cases of subsequent progeny apparently affected by a previous impregnation. Perhaps not prudent to allude to "despised" Pangenesis, which CD fully believes will have its day.
Thinks the German publisher would not object to publishing quotations from CD’s works, unless it was a whole chapter.
Fears the development of bird wings will prove a very difficult subject.
JC-B’s essays are the fullest CD has received. His observations on blushing closely agree with James Paget’s. Platysma and horror: Duchenne’s statement doubtful.
Variety in rabbits less than he hoped for; will try a new mode of transfusion.
Has read and enjoyed the Kant that FPC sent.
Returns P. C. Despine [?Psychologie naturelle (1868)].
Expresses his "unbounded admiration" for Mr Ford’s woodcuts [for Descent]. Thanks AG for his kindness.
Declines offer of book on physics.
Thanks WHF for his very good lecture.
Pleased to have encouraged CD to look at Kant.
His observations on mimicry in butterflies
and self-sterility in plants.
Describes crying in an infant.
He and Milne-Edwards are nominating CD for the Académie Française.
Sending book [Charles Darwin et ses précurseurs Français (1870)].
Despite their differences of opinion, expresses his respect and admiration.
No summary available.