Non-endemic Ascension Island plants brought by man, not wind-transported.
Bentham has found intermediates between oxlip and cowslip in Herefordshire.
JDH finds quantity of albumen in seeds is not variable within a species.
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Has he repeated his experiments with the photographic representation of the prismatic structure? Regarding a numerical nomenclature for the colors.
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Adds comments to a list of Cape of Good Hope plants which are also European and gives some additions to the list [see Natural selection, p. 552].
On geographical dispersal of plants. Would be interested in CJFB’s views on representative species and on his hypothesis of a mundane cold period, which CD cannot prove geologically, but thinks, if it explains many facts of geographical distribution, may be admitted as probable. Hooker and Alphonse de Candolle do not agree with him.
Has seen EWVH’s list of the birds of Madeira, and would like to know more about the ‘occasional visitants’.
Lyell urges CD to publish a sketch of species theory; CD asks JDH’s opinion on best course.
Concerned about opposition, particularly by Owen, to Huxley’s admission to Athenaeum.
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Asks HAO about breeds of Tibetan dogs and other domesticated animals.
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Long wait for and final arrival of a ship to Macassar; arrival of Bates' letters from Ega (now Teffé) Brazil, and copy of Zoologist; geographical distribution of insect species in the islands of the Malay archipelago; relative scarcity of Lepidoptera; comparative numbers and types of insect species in Malay archipelago and Brazil; details of insects collected, including new butterfly Ornithoptera Brookeana (Wallace), Rhyncophorae, Carabidae, Anthribidae, Bupestridae, Cleridae, Longicornes and many others, total number of insect species collected estimated at 6,000, specimens over 30,000; desire to collect all world Longicornes for study; importance of recording location of capture of specimens; separation of collections from different localities; desire for future comparison of data and exchange of specimens with Bates; Orang Utans; comparison of types of forest plants, people and customs in Amazon and Malay archipelago; scarcity of edible fruit in the East; delicious Durian; Madame Pfeiffer's insect collection; regards to Spruce.