No summary available.
No summary available.
Has published a pamphlet on the True Figure and Dimensions of the Figure of the Earth, which he sends for his comments. Has had no success with G. B. Airy. Has found an error in J. F. Encke's work on the comet.
Asks WED to send some specimens [of Lythrum?].
[Letter from Emma Darwin to WED on verso.]
Can CCB get Lythrum hyssopifolium seeds?
Hottonia splendidly dimorphic.
Sorry to hear about JH's pain. Encloses notes from GA's testimony to parliamentary committee investigating changing standards of weights and measures. GA's work continues on 'veritable precessions.'
No summary available.
Hive-bees and clover.
Exciting work on trimorphism in Lythrum salicaria. Requests Lythraceae from Kew.
Wants to know of plants other than Melastoma and Lythrum with coloured pollen.
Glad AG will publish some separate notes on orchids ["Fertilization of orchids through the agency of insects", Am. J. Sci. 2d ser. 34 (1862): 420–9].
Trimorphism in Lythrum.
Bee behaviour.
Is grateful for the ? which made him laugh. Hopes that Lady Herschel will accept the enclosed.
CD was in error about bees’ behaviour at clover.
Thanks for the pamphlet on the Figure of the Earth, but regrets he cannot agree with its conclusions. Points out some of the more serious errors.
No summary available.
Sends flowers with anthers of two colours.
Suggests CD try to get Lythrum hyssopifolia from France.
Dimorphic flowers.
Differences between newly opened and older orchids.
Flowers of Spiranthes and Goodyera.
Finds JL’s facts on the diving insect that remains four hours under water new and interesting [see "On two aquatic Hymenoptera", Trans. Linn. Soc. Lond. 24 (1864): 135–42].
On ACR’s paper on glacial origin of lakes. CD thinks it is correct. Suggests further investigation to corroborate it. His only doubt has to do with areas of great activity.
On ACR’s view of cause of glacial period: CD did battle with Hooker on same point.
T. F. Jamieson has smashed CD’s Glen Roy marine theory in splendid style.
Acknowledges CD’s approval of his review of Origin in Revue Germanique [16 (1861): 523–59; 17 (1861): 232–63]. Praises natural selection;
criticises C.-A. Royer’s [French] translation.
No summary available.
No summary available.