Invites RT to come to Down for a week-end.
Invites RT to come to Down for a week-end.
CD is obliged for a note by JS on crossing the Victoria regia, just received from Hooker; encourages JS to further experiments, saying there is much to be learned on self-fertilisation of plants.
He is vexed that CD has had to write again about the index. He has no excuse except "the nature of the work itself".
Asks CD to write a letter on his behalf to John Murray. CJG plans to translate Eduard Maetzner’s Englische Grammatik [1860–5] if publication can be arranged.
Introduces Clair Grece who wishes to translate a work on English grammar from the German.
On ocelli.
Sexual differences and proportion of sexes in butterflies.
Coleoptera.
[See Descent 1: 310; 2: 132.]
No summary available.
Would like him to accept his little work on musical sounds. F. A. Gore-Ouseley has invented some new organ pipes.
Was grateful for his kind note and check. Family is still in difficulties. Employed by a Liverpool firm to sell engineering articles.
As JH has approved Dr. W. C. Wells's Theory of Dew he encloses extracts from the Gardeners' Chronicle to show that Wells based his paper on a false theory.
Describes JH's theodolite by G. F. Reichenbach and offers to loan it for PB's survey [of Sinai Peninsula].
Discusses WM's reply regarding commercial weight of new Standard Pound.
'Not Sent.' Clarifies values quoted in JH's letter of 5 Nov. to RS.
Clarifies information in postscript of JH's letter of 5 Nov. to RS.
Measurements by A. T. Kupffer afford greater accuracy for [specific] gravity of water than values used by Henry Kater as quoted in postscript of JH's 5 Nov. [1867] letter to [WM].
Please clarify differences between French metric system and JH's adaptation of British system of measurements. Willing to raise issue in Parliament, but wants to understand it well. Hopes to see Emma soon.
Compares values obtained by various observers in measuring new standards of weight and length.
Note accompanying a copy of a paper by AS.
Thanks JH for his useful letter [see JH's 1867-12-2]; it will be of value to the Commission on Weights and Measures.
Thanks JH for his clear letter [see JH's 1867-12-3] about the pound weight standards.