HISTORY 



INFUSORIAL 



ANIMALCULES, 



LIVING AND FOSSIL 



ILLU3TBATED BY 



SEVERAL HUNDRED MAGNIFIED REPRESENTATIONS. 



BY ANDREW PRITCHARD, M.R.I., 



Author of the " Microscopic lllustratious," &c. 



A NEW EDITION, ENLARGED. 



LONDON: 

 WIIITTAKER AND CO., 



AVE MARIA LANE. 



1862. 



LIBRARY 



OF THE 



AMSRICAN MUSEUM 



OF 

 NATURAL HISTORY 



