ANNIVERSARY ADDRESS 



Olf THE 



PROGRESS 



OF THE 



NATURAL SCIENCES 



THE UNITED STATES : 



DELIVERED BEFORE THE 



LYCEUM OF NATURAL HISTORY, 

 OF NEW-YORK, 

 Feb. 1826. 



BY JAMES E. DE KAY. 



NEW-YORK : 

 G. h C, CARVILL, BROADWAY. 



1826, 



