Will GHD ask Lord R[ayleigh] whether "gas-men in testing light, exclude the diffused light".
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Will GHD ask Lord R[ayleigh] whether "gas-men in testing light, exclude the diffused light".
Is obliged to GHD for arranging everything.
Sorry about the proof-sheets.
There is ‘some gradation in perfection with mammals in the mammery glands’. Discusses milk secretion in Echidna. Instances a fish in which the ova hatch in a sack on the male and the young feed on mucus secreted by the sack lining; ‘here … we see what might be the commencement of a simple mammery gland’.
Thanks JW for book [Das Bewegungsvermögen der Pflanzen (1881)]. Discusses movement in plants.
Glad book [Earthworms] will soon be published.
G. J. Romanes has copy and often writes reviews for Nature. Probably did not know it was incorrect to publish it prematurely.
Has resolved never to write for periodicals.
Invites JSB and W. M. Ord to Down, and gives instructions for getting there.
Encloses a cheque for £11.5.0 for subscriptions from CD and members of his family.
Giving his opinion on the possible role of earthworms in the dilapidation of a pier in Llandaff Cathedral.
Does not believe imagination of mother can affect new-born infant.
Thanks TLB for the collection of his writings.
Owes much to Birmingham and great honour conferred on him, but cannot write what RLT wishes.
Says that salt water kills earthworms.
Interested in ERL’s study of worm anatomy.
Thanks GJR for his review of Earthworms [Nature 24 (1881): 553–6].
Has been reading Julius von Wiesner’s book [Das Bewegungsvermögen der Pflanzen (1881)]. Comments that it is "an excellent book, but he vivisects me in the most grievous terms, but most effectively".
Has been experimenting on aggregation of chlorophyll but with little success.
Can think of no suggestion to send to Mrs Forsyth. "The best plan is to read, think and speculate and then some suggestion or doubt will occur which can be determined or verified out of observation."
Delighted to hear that HdeV intends working on the causes of variation.
Is in Cambridge with his son, resting
and reading F. M. Balfour’s Comparative embryology [1880–1].
Sent FM a copy of Earthworms.
Visiting his son Horace.
Studying action of carbonate of ammonia. Finds similar looking Euphorbia root cells react differently.
Intrigued by Dischidia rafflesiana, whose pitchers manufacture manure-water that nourishes adventitious roots. Does JDH know histologist for detailed study?
Julius von Wiesner’s criticism of Movement in plants "vivisects" CD in "a most courteous but awful manner" [Das Bewegungsvermögen der Pflanzen (1881)].
Thinks FD should review Julius von Wiesner’s book [Das Bewegungsvermögen der Pflanzen (1881)]. CD comforted that Wiesner’s experiments support their findings but finds it laughable how differently he has interpreted them.