Glaciation in the British Isles.

S. B. J. Skertchley’s researches on Palaeolithic man in England [Nature 14 (1876): 448–9].

No summary available.

Wishes to publish CD’s explanation of positions of stones in certain gravelly drifts in a forthcoming book [Prehistoric Europe (1881)].

Thanks for permission to use CD’s letter.

Discusses Prehistoric Europe; establishing the existence of interglacial periods; iceberg vs glacier transport of erratic boulders.

Thanks for Earthworms.

Terraces on the Cheviot Hills.

Seeks a testimonial for the Chair of Geology at Edinburgh.

Thanks CD for his support.