in their family vault at Amelie-Bains-Palalda. His wife died in 1896 at Jitomir and their son died without issue in 1919. Before his death he let his collection be available to Rene Oberthür through his friend Charles Oberthür. This collection eventually went to the Muséum national d'Histoire naturelle in Paris. References Russian entomologists 1816 births 1881 deaths Biologists from the Russian Empire 19th-century zoologists from the Russian Empire Bavarian nobility