Foxes and jackal, 1800.
© Science Museum / Science & Society Picture Library
Engraving by J Pass showing 'The Arctic Fox' (top left), 'The Zerda' (top right), 'The Grey Fox' (bottom left), and 'The Jackall' [sic], (bottom right). The zerda, also known as the fennec or desert fox, is the smallest fox and lives in the Sahara and Arabian deserts. Illustration from 'Encyclopaedia Londinensis, or, Universal Dictionary of Arts, Sciences, and Literature' published in London, 1810-1829.