HISTORY OF ZOOLOGY 



41 



tributions to zoological knowledge. Numerous organs of the human 

 body are named for this renowned scientist of his time. Like other 

 early microscopists, he had to build his own microscope. 



Antonj van Leeuwenhoek (1632-1723) lived almost contemporane- 

 ously with Malpighi and like him made many contributions to the 



Fig. 11. — Leeuwenhoek (1632-1723), pioneer micromotist. (From a painting by 

 Veekolje, 1685. Reprinted by permission from Locy, Growth of Biology, published 

 by Henry Holt and Company, Inc.) 



development of the microscope. He is said to have possessed a total 

 of 419 lenses, most of which he had ground. Further study on 

 capillary blood circulation, first descriptions of spermatozoa, ex- 

 tended observations on bacteria and microscopic animals, and his 



