From A. C. V. D. d’Orbigny   [14 February 1845?]

[Identifies CD’s fossil shells and marks new species. Many species have been described previously by Orbigny. The list is annotated by CD and George Brettingham Sowerby.]

Please cite as “DCP-LETT-830,” in Ɛpsilon: The Charles Darwin Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-830