Interested in the fossil scorpions found by AG in the Lower Carboniferous strata of Scotland. Hopes further searches will yield more land animals and offers to subscribe funds to such a search if it falls outside the Geological Survey’s work.

Explains that the animals in the cask cannot have developed from the wheat.

CD has misunderstood his views on heliotropism. Agrees that his experiments on the movement of root tips are weak. Will conduct further research. Thinks that since mechanical conception of botany is not so widespread, those who agree with CD probably are in majority.