| Date Note | Date of other drawings by artist, but 1839 publication date |
| Description | Watercolour, with ink wash scale structure details, of the fossil fish Pholidophorus latus Agassiz [Siemensichthys macrocephalus Eichstätt], by G A H Köppel, [1836-1838]. From the collection of Georg Graf von Münster, Comte de Münster. According to Agassiz's published text, the specimen was from Eichstätt [although the illustration is marked 'Solnhofen'] and was originally in the Barth collection. |