His published works include
Reise auf dem Caspischen Meere und in den Caucasus, 2 volumes (
Stuttgart and
Tübingen, 1834-1838);
Die Urwelt Russlands (St Petersburg, 1840-1845);
Le Lethaea Rossica, ou Paléontologie de la Russie, 3 volumes (Stuttgart, 1852-1868), with Atlases. In the scientific field of
herpetology he described several new species of
reptiles. ==See also==