Discusses geological foliation and cleavage. Urges ACR to read CD’s remarks on subject in his South America before ACR publishes his paper ["On the lower Palaeozoic rocks", Q. J. Geol. Soc. Lond. 9 (1853): 161–79].

Grief at the death of Edward Forbes.

Responds to CD’s queries about the thickness of various geological formations. [See Origin, p. 284.]

Responds to CD’s queries concerning faults; is sending sections of the kind he wants. The Merionethshire fault with a downthrow of 12000ft. [See Origin, p. 285.]

Comments on ACR’s "The old glaciers [of Switzerland and N. Wales", in Peaks, passes, and glaciers: a series of excursions by members of the Alpine Club, ed. J. Ball (1859)]. Discusses erratic blocks in the Jura. Notes views of Lyell.

Has finished ACR’s article ["The old glaciers of Switzerland and N. Wales" in Peaks, passes, and glaciers, ed. J. Ball (1859)]. Asks the authority for glacial drifts in Siberia. Wishes ACR would examine the Glen Roy parallel roads and settle the problem.

Asks if it is certain that traces of organic remains have been found in Long Mynd beds.

No doubt about worm-holes in the Long Mynd, and they are certainly lower than J. Barrande’s primordial zone. Fossils in Laurentian gneiss.

Thanks for answer to queries.

Expresses intention of reporting observations of traces of life in the Long Mynd beds and asks permission to cite ACR on his recent discovery of fossils in the Laurentian marbles of Canada.

Urges ACR’s investigation of Glen Roy problems.