Paul D Stewart / Illustration of Giant Octopus (Octopus dofleini) attacking a ship, 1815 copperplate engraving from Bertuch's 'Bilderbuch fur kinder' 16 plate 5. with contemporary colour. 'Colosal Polypus' (octopus) a...

Paul D Stewart / Copperplate engraving of rays with contemporary hand colouring from 'Bilderbuch fur Kinder' by F.J. Bertuch, Weimar, 1795. This book set out to explain and illustrate a range of topics for children.

Paul D Stewart / Copperplate engraving of a Stag Beetle (Lucanus cervus), with hand colouring possibly by Donovan himself. While most plates were thinly coloured to tint the interstices of the lines of the engraving b...

Paul D Stewart / 1853 illustration of Gorilla, contemporary coloured copperplate engraving from 'Das Buch der Welt' John Weik, Stuttgart. The lowland Gorilla was first accurately described outside Africa by the missio...

Paul D Stewart / Illustration of mythical Unicorn, also known as Monoceros, by engraver Matthaus Merian 'the Elder', hand coloured copperplate engravings from 'Historia Naturalis', 1657.

Paul D Stewart / Illustration of various types of mythical unicorns, also known as monoceros, by engraver Matthaus Merian 'the Elder', hand colored copperplate engravings from Historia Naturalis , 1657.

Paul D Stewart / Copperplate illustration of Indian rhinoceros (Rhinoceros unicornis) by W. Read with later hand colouring . From 'Nature Displayed in the Heavens and on Earth' by Simeon Shaw 1823

Paul D Stewart / Copperplate illustration of Indian rhinoceros (Rhinoceros unicornis) by W. Read with later hand colouring. From 'Nature Displayed in the Heavens and on Earth' by Simeon Shaw 1823

Paul D Stewart / Illustration of Peeping frog - now commonly called Northern Leopard frog (Rana pipiens) plate by Hill. From George Shaw 'General Zoology or Systematic Natural History 1802.

Paul D Stewart / Copperplate engraving of great sea monster reported by Hans Egede in 1735. From The Naturalist's Library by Sir William Jardine. This monster or was reportedly spotted off the coast of Greenland, and...

Paul D Stewart / Illustration of Death's head hawkmoth (caterpillars, pupa and imago (adult) copperplate art by August Johann Roesel von Rosenhof, 1744.

Paul D Stewart / Illustration of adult Broad bordered bee hawk moth (Hemaris fuciformis) copperplate art by August Johann Roesel von Rosenhof, from his work I'nsect Amusements' 1744. August