Fossils of the South Downs, or Illustrations of the Geology of Sussex by Gideon Mantell, engravings executed by Mrs. Mantell (Mary Ann Woodhouse), from drawings by the author, 1822. This is plate XX, showing Nautlius elegans from the Grey chalk marl at Middleham, and Ammonites sussexiensis, from Hamsey.
Crédit:
Album / Science Source / Biodiversity Heritage Library