Observations upon a Foetus, and the Parts of Generation of a Sheep. In a Letter to the Royal Society, from Mr. Leeuwenhoek, F. R. S. Translated from the Dutch by Dr. Sprengell, F. R. S.

Author: 
Leeuwenhoek, A. van
Journal: 
Philosophical Transactions of the Royal Society
Volume: 
32
Publisher: 
Royal Society
Year: 
1722

pages 151-156 letter written 1722-06-13