A fenced-in gorge in a forest set up as a trap: one wolf is already in the enclosure near the bait while the other wolf is about to jump in. Etching by J.E. Ridinger.

Licence: Public Domain Mark

Credit: A fenced-in gorge in a forest set up as a trap: one wolf is already in the enclosure near the bait while the other wolf is about to jump in. Etching by J.E. Ridinger. Wellcome Collection. Source: Wellcome Collection.