Reports making graft-hybrid potatoes.
Has found direct action of pollen in Mays [Zea] crosses and apple-trees.
F. Delpino has asked for CD’s address.
CD seeks information on the variation of ocelli within species of butterflies.
No summary available.
Expresses his gratification on reading of Leonard Darwin’s high placing on the Sandhurst list.
No summary available.
CD has been elected a Corresponding Member of the Biology Section of the Académie Impériale des Sciences, St Petersburg.
Discusses mule canaries which show a tendency to revert to wild plumage colours.
Makes no claim to originality for his experiments; thinks highly of Dr. W. C. Wells but would like to know whether [Pierre] Prévost's theory is tenable.
Sends portion of his book, Grundlegung von Aesthetik [1869]. Argues that CD’s theory can be reconciled with religion.
Congratulates FH on graft-hybrid of potato. Importance of FH’s discovery to be discussed in Variation [2d ed., 1: 420].
Discusses Balanophora with conspicuous male flowers and absent female perianth.
Asks about expression of emotion among Negroes and American Indians in Nicaragua. Queries enclosed.
Thanks for plant names.
H. C. Watson a renegade about natural selection. Discusses HCW’s views.
F. Müller’s letter enclosed.
Friedrich Hildebrand’s experiments are splendid for Pangenesis [Die Geschlechter-Vertheilung bei den Pflanzen (1867)].
Has sent off last portion of index [to Variation]. Hopes CD will be pleased with it. Will never undertake such labour again. He fears it has been an unfavourable way to make CD’s acquaintance. Trusts to CD’s goodness not to hate his name for the rest of his life.
Needs some information about the astronomical sweeps carried out by JH's father, William. FW comments about the location and shape of some nebulae, and what seem to be differences with other catalogues.
Asks CD for memorandum giving his opinion on a proposal to move the site of the Calcutta Botanic Garden. Gives details of the position, the physical character and the climate of the present site to show how desirable a move would be.
Has seen CD’s "carte" offered for sale.
Is grateful for his prompt reply about his father's papers on double-stars. Had no idea that Angelo Secchi's Means were so inaccurate. Gives the principle on which his own Means are based. The weather has been wretched and most unsuitable for any observations.
Supports relocating the Calcutta Botanic Garden to a site near the Himalayas.
CD exasperated by Dallas’ delay in finishing index [for Variation]. "I am prepared to throw the Index overboard."
Thinks JM should reconsider publishing a translation of Brehm’s Thierleben. It is excellent and would "sell largely".