"Leeuwenhoek" Quotes from Famous Books
 ... and he was led to believe that he could see "what must be considered the beginnings of intelligence and of many other qualities found in the higher animals." A species of Vorticella was probably the first Protozoan that was ever observed. An old Dutch microscopist, Anton von Leeuwenhoek, in 1675, while studying with lenses of his own manufacture, discovered and described forms which undoubtedly belong to this genus. Few if any of the Infusoria are pathogenic, although some are said to be associated with certain intestinal ...
— Insects and Diseases - A Popular Account of the Way in Which Insects may Spread - or Cause some of our Common Diseases • Rennie W. Doane |
