Paolo Trubeckoj (Prince Petr Petrovich Troubetzkoy): I divoratori di cadaveri (~1900)
The sculpture shows a man eating a piece of meat and a young dead pig on the table. This part of the sculpture has the inscription "contro natura" (against nature). Next to the table there is a hyena feeding on a human cadaver. There is an inscription that says "secondo natura" (in accordance with nature).
Paolo Trubeckoj was a convinced ethical vegetarian (since 1899). Tolstoy admired him.
Here you can see that they're actually two sculptures.
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M. Wutzer: Der Vivisektor im Angesicht der Kreatur
(The vivisector face to face with the creature / El vivisector cara a cara con la criatura)---
David Teniers (1610-1690): The temptation of Saint Anthony
(Die Versuchung des heiligen Antonius / La tentación de San Antonio)
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Gabriel Cornelius von Max (1840-1915): Der Vivisektor (1883)
(The Vivisector / El vivisector)
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