Sends abstract, and will bring book on Saturday.
Sends abstract, and will bring book on Saturday.
Asks FD questions about his sketch [missing] of ridges and furrows. [FD’s answers are interlined.]
Will FD try to persuade A. D. Bartlett to show a live snake to a porcupine and observe whether the porcupine rattles the quills on its tail? [See 8333.]
Sends drawings of dogs in different attitudes, drawn by his friend A. May. FD should not trouble CD unless he thinks the drawings will please him. [See Expression, pp. 54–5.]
Quickening of heart-beat in fear. A. H. Garrod does not think that this means that the heart is working harder.
A. H. Garrod on relationship of heart-beat to amount of work done by heart.
Sends an account of an attempt to take a sphygmograph tracing of a woman during fright
and some references that might apply to CD’s work on pulse rates during rage and fright.
Sends quotation from Armand Trousseau, Lectures on clinical medicine [1868–72] 5: 213, on interruption of menstruation in young girls upon changing schools, as an example of the effect of changed conditions of life.
Sutton says monkeys often vomit, but cannot say whether they do it voluntarily.
Klein says water ought to be changed daily. Asks to tell G Revalenta shop shut. Klein reports discovery about toads’ ova does not bear on pangenesis.
Has sent Vichy water, discusses prescription. Tell Arthur Parslow not to continue on colchicum for gout if doesn’t suit him. May go to Pryor’s on Sunday.
Fears [CD’s] albumen theory will not work because albumen is coagulated and filtered out in making extracts of belladonna, hyoscyamine, and colchicine [alkaloid poisons].
Has investigated whether it makes a difference if extracts [of alkaloid poisons] are made from leaves, seeds, or roots.
Sends to Pantlludw [North Wales] bottle of formic acid. FD and Amy [Darwin] can search for spawn. If found, keep in two basins and add 6 drops of acid to one and look for differences.
"Try only 1 or 2 drops of Formic A[cid]."
Fears all the seeds are dead. Will try with less vapour of formic acid.
Has discussed with E. E. Klein about the purchase of a Hartnack microscope from Paris.
Sends FD £5 for the loan of his microscope.
Has found Lathyrus maritima on the cliffs near Barmouth.
Observations on bees’ biting holes in Lathyrus.
Suggests an experiment FD could carry out with Drosera.
CD is working on Mimosa, and "everything has turned out as perversely as possible".