Antoni van Leeuwenhoek - Letter from 1699-10-16 Cyclops
fig 1: female Cyclop, dorsally; fig2 body minus abdomen, sideways with head downwards. fig 3 exopodite
unknown draughtsman of Antoni van Leeuwenhoek
The collected letters of Antoni van Leeuwenhoek. Part XII, 1989, <a href="//commons.wikimedia.org/wiki/Special:BookSources/9026508956" title="Special:BookSources/9026508956">ISBN 9026508956</a>