



FRESH-WATER 



OF THE 



UNITED STATES; 



(EXCLUSIVE OF THE DIATOMACEjE) 



COMPLEMENTAL TO 



DESMIDS OF THE UNITED STATES; 



WITH 



2300 ILLUSTRATIONS, 



COVERING ONE HUNDRED AND FIFTY-ONE PLATES, A FEW COLORED, 

 INCLUDING NINE ADDITIONAL PLATES OF DESMIDS. 



BY THE REV. FRANCIS WOLLE, 



Member of the American Society of Microscopists. 



BETHLEHEM, PA.: 

 THE COMENIUS PRESS, 



1887. 



