Gives details of his observations which lend support to the view that Chile is rising with respect to the sea. Reports some observations and opinions with regard to earthquakes and volcanic action in the area.

Describes growth of plants raised from seeds he found in sand-pit.

Has been in bad health and has just read HWB's MS in the last two days. Praises the book; assured it will be successful. Offers to write to Murray. Hooker interested in conclusions on colour.

Agrees Max Müller's book [see 3752] is interesting but cannot see how it will further his "cause".

A book by J. W. Colenso [The Pentateuch and book of Joshua critically examined, pt 1 (1862)] has just appeared and will "make a noise".

Would like some observations made on Cypripedium.

Will not publish yet on Lythrum as he must make many more crosses; the mid-styled is fertile with half of its own stamens.

Would like to try a few experiments on tendrils.

CD describes first observation of gyratory motion of tendrils: explains its adaptive function is to find objects to hold on to.