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To J. S. Henslow March 1834
Summary
On fossils ([Megatherium], etc.), plants, shells sent and new ones found; geological observations. Asks for help in understanding cleavage and planes of deposition.
A new species of ostrich. Cites differences in size, colour, nidification, and geographical distribution.
| Author: | Charles Robert Darwin |
| Addressee: | John Stevens Henslow |
| Date: | Mar 1834 |
| Classmark: | Royal Botanic Gardens, Kew (Henslow letters: 21 DAR/1/1/21) |
| Letter no: | DCP-LETT-238 |
