XVIII. LE MICROSCOPE

Page 76. — i . à la vue simple, with the naked eye.

Page 7 7. — i. Leuwenhœck (1632-1 723), bornât Delf tin Holland. He was noted for his skillful manufacture and successful use of the microscope, and made discoveries which brought him celebrity as an anatomist and physiologist.

2. Swammerdam (1637-1680), an eminent Dutch naturalist, born at Amsterdam ; made several discoveries in anatomy and entomology.

3. Lyonnet (1 707-1 789), of French family, born at Maestricht in Holland. Besides being an anatomist he was a skillful engraver.

4. Raspail (1794-1878), a French chemist, who published, among other works, Essai de chimie microscopique (1831).

Page 78. — 1. Jansen (Zacharias), an optician at Middelburg in Holland.