Heath is generally cut every six years, often in order to provide young growth for grazing. Also, the heath is in good condition for burning at six years growth.
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Heath is generally cut every six years, often in order to provide young growth for grazing. Also, the heath is in good condition for burning at six years growth.
Makes arrangements for JSH to stay with him in London and for possible meeting with Hooker.
Returns CD’s lists [sent with 2184]. Confusion in genera of Silene is great in continental botanic gardens. One would have to know whether C. F. v. Gärtner had the right names for species in his experiments.
Gives observations to be forwarded to CD of impregnation in Balanus.
Discusses the difficulties of breeding mules by crossing canaries and finches.
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Sends information on the speed at which his pigeons fly various distances.
Responds to CD’s article on kidney beans [Collected papers 1: 275–7]. Sends beans as evidence of crossing.
More on kidney bean crosses.
No summary available.
Reports on wheat in the stomach of fish he caught.
In reply to CD’s query [see 2072], JDD describes what little is known about the crustacea of the Antarctic and southern lands.
Knows of no species of the cold temperate south identical with those of the cold temperate north.
Will be grateful for facts from Mr Linton on numbers of eggs from goldfinch–canary crosses.
CD will advise W. F. Daniell on collecting.
Asks THH question on flow of glaciers after ice has been fractured and fragmented.
CD had to leave Royal Society lecture [joint paper by THH and J. Tyndall, "On the structure and motions of glaciers", Philos. Trans. R. Soc. Lond. 147 (1857): 327–46] before the end because of headache.