Has changed his mind and would like some of FBG’s hybrids to breed from. Feels he should not lose the chance of perhaps recording the fertility of hybrids of two distinct species.

Is gratified by EV’s "spirited and able defence" in the article printed in La France [26 April 1878].

Heliotropic responses in aerial roots and tendrils.

Sends seeds received from Fritz Müller.

Has been reading WTT-D’s lecture ["Plant-distribution as a field for geographical research", Proc. R. Geogr. Soc. 22: 412–45].

Sends address of Fritz Müller.

Thanks for letter on ALA’s qualifications for vacant chair of natural history.

Reports observations on deer which have larger left antlers than right, possibly for protection of heart.

Thanks him for ["Beiträge zur Geschichte der Bestäubungstheorie", in Program der Königlichen Gewerbeschule zu Elberfeld, 1877/78 (1879)]. Agrees with appreciation of Carl Sprengel’s work. Rejoices how highly GWJB appreciates Hermann Müller.

Thanks for comments on his lecture ["Nervous system of Medusa"]

and for information [about J. R. L. Delboeuf, La psychologie (1876)].

Heliotropism in roots.

Francis Darwin’s work on "bloom" and its relation to stomata.

His son, the Serbian translator of the Origin, has died.

Movements of flower-stalks of Oxalis.

Describes observations and experiments on the response to light of Bignonia capreolata tendrils.

TW’s account of the Ourang is very curious. CD hopes to see the primate whenever he goes to London, but he is leaving home for three weeks.

CD elected corresponding member in the botanical section of the Académie des Sciences, Paris. [See 11653.]

Acknowledges his election as a Corresponding Member of the Academy.

CD made an honorary member of the Royal Society for Medical and Natural Sciences of Brussels.