Describes Drosophyllum and its habitat.
Describes Drosophyllum and its habitat.
Expressions of emotions in Gold Coast tribes.
Differences between males and females in sexual characteristics.
Castrated rams lose horns and manes.
Female members of tribes have no difficulty getting the husbands they want.
Sends an extract from the Examiner. Would be pleased if he would acknowledge it.
Replies to CD’s questions. Advice on use of term "morphology". Is much struck by CD’s idea that uniformity of an organ throughout a group implies functional inutility; the paradox of this position for classification.
No summary available.
Dedication of Malay Archipelago to CD.
Comments on scientific papers.
No summary available.
Gives observations on the coincidence of nectar secretion and the opening of the anthers in Aucuba.
Send two copies of the Eta Argus paper. Send any additional corrections to J. Henderson. Has written for the mss. of Lieut. John Herschel's first letter.
Discusses fertilisation of Aucuba and Polygala.
Forwards reply from [Peter Robertson] head forester for Marquis of Breadalbane on development of horns in Scottish deer.
Sends CD another piebald potato and a spray of holly, from Mr Fish, discussed in Gardeners’ Chronicle of 22 Jan [1869, p. 83].
Thanks for copy of MS’s book [On molecular and microscopic science, (1869)]. Part on orchids is an excellent summary.
On development of horns in merino sheep. Encloses reports from herdsmen he has approached.
No summary available.
No paradox that unimportant characters are important systematically. This view removes heavy burden from CD’s shoulders. Relief that JDH does not object.
Sends a proof of JH's obituary of W. R. Dawes. The concluding part of the manuscript was mislaid; would he therefore re-write the missing portion. Hopes to attend Professor Alexander Herschel's lecture this evening.
Response to letter about dedication of Malay Archipelago and several scientific papers.
Changes in 5th ed. of Origin.
Now feels individual differences of paramount importance. Fleeming Jenkin has convinced him about "single variations".
Is trying to determine conditions governing whether or not a salmon will rise for a fly.
Is assembling apparatus of lenses and reflector to observe flower from opening to first shedding of pollen, and to determine whether fertilisation is by night- or day-feeders.
Will also examine reasons for absence of nectar in Polygala linaria.