Thanks RC for telling him about sale of 600 copies [of Movement in plants]. He had expected less, so loss will not be as heavy as he feared. Asks whether he should not have 250 more copies printed and what it would cost to have the type kept up.

Instructions for presentation copies.

The index is the worst ever published.

Believes the flexure in GM’s dead animals must result from the greater strength of the muscles on the left side. Thinks his son George once tested the strength of each leg of a group of boys, and CD could get his notes if wanted.