a 



NEW AND ENLARGED EDITION. 



DESMIDS 



LIST OF AMERICAN PEDIASTRUMS 



WITH NEARLY 



FOURTEEN HUNDRED ILLUSTRATIONS 



SIXTY-FOUR COLORED PLATES. 



BY THE REV. FRANCIS WOLLE, 



Mi in',' r i if the American Itjociety of Microscopixt*. 



BETHLEHEM, PA.: 



MORAVIAN PUBLICATION OFFICE. 



1892. 



