Zoologica Specifica Hartmann (attributed to), Johann Daniel Wilhelm Drawing of a lizard. Circa 1840. watercolour over pencil on light wove card. 19.2 x 14.2 cm. Mounted in dots on support. Johann Daniel Wilhelm Hartmann (1793 - 1862) was a Swiss painter, engraver and painter-acologist. He learnt painting in particular from his father Georg Leonhard Hartmann, who was also a painter. He later worked in St. Gallen, particularly as a painter of natural history and miniatures. In 1844, his notes on "Erd- und Süsswasser-Gasteropoden der Schweiz, mit Zugabe einiger merkwürdigen exotischen Arten" were published by Scheitlin and Zollikofer in St. Gallen. Hartmann was court painter to Prince Maximilian zu Wied, who himself was active as a zoologist and ethnologist, undertook numerous research trips and maintained extensive scientific collections. - Inscription by another hand in pencil verso and on support, minimally stained. Overall in very good condition. Drawing of a lizard. Watercolour over pencil on light wove card. Spot-mounted to underyling mat. - Johann Daniel Wilhelm Hartmann (1793 - 1862) was a Swiss painter, engraver and painter-acologist. He learnt painting in particular from his father Georg Leonhard Hartmann, who was also a painter. He later worked in St. Gallen, particularly as a painter of natural history and miniatures. Hartmann was court painter to Prince Maximilian zu Wied, who himself was active as a zoologist and ethnologist, made numerous research trips and maintained extensive scientific collections. - Inscription by another hand in pencil on verso and on mat, minimally stained. Overall in very well preserved condition. This lot is taxed. The hammer price is subject to a 24.95% surcharge and the final invoice amount is subject to 7% (books, art) or 19% VAT (manuscripts, silkscreens, offset prints, photographs) in the European Union. This work is subject to the regular margin scheme. There is a 24.95% buyer's premium on the hammer price and 7% (Books and Art) or 19% VAT (Manuscripts, Screenprints, Offsetprints and Photographs) on the final invoice amount in the European Union.