Thanks GM for a curious lily.

Recommends some papers on coal.

Gives his opinion on the importance of forming theories if one is to be a good and original observer.

Believes GM’s human bones from Gibraltar must be of very doubtful age. Lyell agrees, but feels any skull found should be forwarded to George Busk or Hugh Falconer.

Suggests GM look carefully for shells in the drift.

CD too unwell to write but has signed the [unspecified] paper and forwarded it as requested.