| Date Note | Activity of artist, description of specimen first appears in Jahrbuch (1832) as does reference to consulting collection |
| Description | Pencil drawing, with watercolour details, of an imperfect specimen (middle trunk) of the fossil fish Lepidotus gigas Agassiz, by Charles Weber, [1831-1834]. Found in the Lias, from the collection of Dr Hartmann, Goeppingen. Not published. |