Leeuwenhoek found and described some tubicolous species; and during the 18th century a fair number of species were observed, figured and described with names.
It was not until the 19th century that the microscope, thus early applied by Leeuwenhoek, Malpighi, Hook and Swammerdam to the study of animal structure, was perfected as an instrument, and accomplished for zoology its final and most important service.
Leeuwenhoek הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד