Thinks Herbert Spencer has done little service to science but a great service to thinking.
Thinks importance of mathematics overestimated [by J. F. Moulton] in criticising Spencer.
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Thinks Herbert Spencer has done little service to science but a great service to thinking.
Thinks importance of mathematics overestimated [by J. F. Moulton] in criticising Spencer.
Preparing his book, Animal intelligence [1882].
Spent an afternoon with a spiritualist but did not learn anything.
Lectured on mental evolution in Newcastle.
Has conducted interesting research on locomotor systems of echinoderms.
Sends proofs of Encyclopaedia Britannica article on hybridism [9th ed., 12: 422–6]. Can CD mention authorities who should be cited?
Thanks for copy of W. O. Focke [Die Pflanzen-Mischlinge (1881)].
Has nearly finished paper on locomotor system in echinoderms.
Returns book [W. O. Focke, Pflanzen-Mischlinge]. It was of great use.
Suggests experiment involving light stimulation of plants.
Glad CD thinks experiment worth trying [see 12904]. Has written to John Tyndall for permission to do it at Royal Institution.
Paper on echinoderms written [with J. C. Ewart, "Locomotor system of Echinodermata", Philos. Trans. R. Soc. Lond. 172 (1881): 829–85].
John Tyndall has provided apparatus for experiment with light.
Frank [Darwin]’s paper a brilliant success [J. Linn. Soc. Lond. (Bot.) 18: 406–19, 420–55. Read 16 Dec].
Has got a monkey for observation.