engraving of an australian duck-billed platypus

1500s 1600s 16th 1700s 17th 1800s 18th 1900s 1906 19th animal australia australian biological biology centuries century drawing drawings duckbilled duckmole engraved engraving from history illustration illustrations marsupial monotreme ornithorhyncus outlines paradoxus platypus science scientific thomson wildlife zoology