KING'S COLLEGE LONDON / SCIENCE PHOTO LIBRARY KING'S COLLEGE LONDON / SCIENCE PHOTO LIBRARY
Aquatic larvae, 17th century artwork. Plate 2 from 'Historia Insectorum Gerneralis' (1669) by the Dutch entomologist Jan Swammerdam (1637-1680). Swammerdam was the first to demonstrate that the different life stages of insects were developmental stages of the same animal, not changes of animal type, as believed at the time.
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