He left teaching to become a preparator at the Bern Museum of Natural History where he attended lectures by Prof. Theophil Studer, who had just returned from travelling around the world.
Isopoden, gesammelt während der Reise S.M.S. Gazelle um die Erde 1874-76, 1884 - Isopoda collected by the S.M.S. Gazelle voyage of 1874-76.
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With Victor Fatio (1838-1906), he published the first three installments of Catalogue des oiseaux de la Suisse (Catalogue of birds of Switzerland).
Théophile Gautier | Narcisse Théophile Patouillard | Quint Studer | Théophile Steinlen | Studer | Théophile Cailleux | Théophile Bra | Jean François Aimé Théophile Philippe Gaudin | Théophile Thoré-Bürger | Théophile Rudolphe Studer | Théophile-Jules Pelouze | Theophile Gautier | Théophile de Viau | Théophile Delcassé | Théophile de Donder | Studer's | María Isabel Studer Noguez | Jean Théophile Victor Leclerc | Jacob Henry Studer | Irvin Studer |