Eight snakes, including a reticulated python, a slow worm, a thirst snake, a Russell's viper and a mythical two-headed serpent. Engraving, ca. 1778.

Licence: Public Domain Mark

Credit: Eight snakes, including a reticulated python, a slow worm, a thirst snake, a Russell's viper and a mythical two-headed serpent. Engraving, ca. 1778. Wellcome Collection. Source: Wellcome Collection.