André Marie Constant DumérilZoologie analytique ou, Méthode naturelle de classification des animaux rendue plus facile a l'aide de tableaux synoptique Paris, Allais. Also published in German as Analytische Zoologie Weimar, Im Verlage des Landes-Industrie-Compto. In this work which covers the Animalia as a whole dichotomous keys are used to separate taxa in a scientific approach.
Anders Erikson Sparrman published an ornithology of Sweden titled Svensk Ornithologie.One of the many regional fauna s of Europe to appear in the nineteenth century.