CD’s Variation is in printer’s hands.

Orchid self-sterility.

Observations on orchid self-sterility.

Wants information on characters that may have originated through sexual selection in lower animals.

Encloses queries on expression.

Thanks for facts on orchids.

Friedrich Hildebrand’s new book on fertilisation of plants [Die Geschlechten-Vertheilung bei den Pflanzen (1867)].

CD correcting proofs of Variation.

FM likes Ernst Haeckel’s book [Generelle Morphologie (1866)].

Self-sterility in orchids.

Growth differences in plants raised from self- and cross-fertilised seed.

Thanks for information on sexual differences.

Orchids; self-sterility and difficulty of getting seeds to germinate.

Dimorphism.

Has abstracted for insertion in his sterility chapter [Variation 2, ch. 18], FM’s observations of plant’s pollen being poisonous to itself.

Occurrence of mimetic plants.

Colouring of Planariae.

Queries about expressions in crying monkeys.

Has received letter from Hermann Müller on orchid fertilisation.

Variation to be published at end of month.

Dimorphism and self-sterility.

Seed dissemination in Adenanthera.