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Comments on GJR’s article in Fortnightly Review ["The beginning of nerves", n.s. 24 (1878): 509–26].
Comments on "poor old" Edinburgh Review.
Encloses a cheque for £11.19.9. Will transmit £7.9.4 to Fritz Müller. Thanks for account of the sale of his books, which appears to be in a "lamentable state".
Wants Oxalis specimen named; is fascinated by cotyledonary movements of the genus.
Frank asked to summarise work with CD for use in JDH’s Royal Society address.
Work with A. Gray shows Colorado plants closer to Altai than to E. or W. America.
Work with J. Ball shows Moroccan plants very distinct from nearby Canaries.
JDH on Royal Commission to Paris Exhibition.
Thanks for a copy of Strasburger’s essay on ‘swarmspores’.
Before JDH discusses flora of Canary Islands CD suggests he read F. B. White’s paper [see 11707], which explains stocking of Atlantic island fauna as due to changed currents during [last, or Miocene] northern glacial period.
Thanks CD for writing machine.
Recalls visit by CD’s son [Francis].
Botanical evidence is against F. B. White’s origin of St Helena fauna. JDH holds flora is S. African. Since plants must arrive before insects, if fauna is Palearctic then flora survived glacial period. Flora not Miocene since old and relic orders are absent. Suggests S. African west coastal mountains as insects’ origin.
Thanks for pt 4 of Australian orchids [1874–].
Suggests that benzoic acid would be a deadly poison to bacteria and their allies.
Is puzzled about the use of borax as a disinfectant because in his experiments Drosera were not in the least injured by boracic acid.