For experiment on effect of male beauty, pigeons should be coloured on the breast.
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For experiment on effect of male beauty, pigeons should be coloured on the breast.
On his Primula paper for the Linnean Society ["On the specific difference between Primula veris, Brit. Fl. (var. officialis, Linn.), P. vulgaris, Brit. Fl. var. acaulis, Linn.), and P. elatior, Jacq.; and on the hybrid nature of the common oxlip; with supplementary remarks on naturally produced hybrids of the genus Verbascum", [officinalis!?] J. Linn. Soc. Lond. (Bot.) 10 (1869): 437–54].
Peacocks and sexual selection.
ARW’s sterility argument has driven CD’s sons half-mad.
Some questions on errata in second English issue of Variation.
Sends a paper by Robert Hartmann on domestic animals of the countries bordering the Nile ["Geographische Verbreitung der im nordöstlichen Afrika wild lebenden Säugethiere" Z. Ges. Erdkd. Berlin 3 (1868): 28–69, 232–70, 345–68, 404–20].
Has thought much about CD’s theory of Pangenesis. It "seems rather a little too complicated … as a molecular theory".
Proportions of male and female lambs.
Will start translating Für Darwin. Suggests it be called "A Lift for Darwin".
Explains HT's problem with the defective telescope glass. Advises caution about entering optical glass manufacturing. Urges HT to take back his will from JH's possession and entrust it to the care of a legal advisor.