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To J. D. Forbes 13 [November 1844]
Summary
Mexican specimen of laminated obsidian.
Comments on Forbes’s publication comparing lava streams and glaciers. Mentions ice-action theories of a young German.
| Author: | Charles Robert Darwin |
| Addressee: | James David Forbes |
| Date: | 13 [Nov 1844] |
| Classmark: | University of St Andrews Special Collections (Papers of J. D. Forbes: msdep7 – Incoming letters 1844, no.65) |
| Letter no: | DCP-LETT-790 |
