Has taken almost all FD’s corrections for chapter six [of Earthworms]. Is glad FD approves of the book.

Has accepted FD’s correction to chapter seven [of Earthworms].

Weather is bad; sky like lead and the lake as black as ink.

Describes seeds sent by George Payne [see 13205]. Is surprised that they bury themselves.

Ernst Haeckel wants to go to Ceylon to examine Medusae and Radiolariae, CD has offered him £100.

Is working on revises of Earthworms.

Has seen a pied flycatcher for the first time.

Comments on FD’s notions about movement of multicellular and unicellular organisms.

Comments on an interesting letter received from J. B. Hannay [see 13222] which leads CD to speculate on the possibility of organisms inhabiting a red hot earth under great pressure.