JL’s brother’s accident.
Thinks JL should tackle systematics of anomalous insects from studies of internal organs.
JL’s brother’s accident.
Thinks JL should tackle systematics of anomalous insects from studies of internal organs.
Thanks for his book on optics. Comments on various points.
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Is sorry to hear of bad health of CD and his daughter.
Discusses, with an example, the difficulty of explaining structural differences between closely allied species.
His doctor urges CD most strongly not to expose himself to the excitement and fatigue of receiving the [Wollaston] Medal. He will ask Lyell to receive it on his behalf.
CD sees JL’s cases of same organs varying greatly in allied forms as a serious difficulty in regard to his own ideas.
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Sends a riddle. Has added a stanza. Does not credit the story of [T. C.?] Jansen's children. Comments on Roger Bacon's telescope.
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Undergoing hydropathic treatment for his old ailment.
The "Abstract" [Origin] is the cause. Only two chapters to do.
His satisfaction that he believes he has convinced Hooker and Huxley and staggered Lyell.
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