cii PROCEEDINGS OF THE CENTENARY MEETING. 



Northwestern University, Evanston-Chicago. 



Northwestern University offers congratulations to The Academy of Natural 

 Sciences of Philadelphia on the arrival of its One Hundredth Anniversary, and 

 takes pleasure in paying a tribute to its helpful and uplifting influence on the 

 progress of the natural sciences. 



Through its museum exhibits and public lectures, as well as through the 

 personal influence of its distinguished members, the Academy has promoted a 

 widespread interest in the natural sciences. At the same time, it has stimulated 

 research by providing means of publication for many notable scientific investi- 

 gations that have been produced by its members and correspondents. 



This activity establishes between the Academy and the Universities a bond 

 of sympathy, based on similarity of aims and purposes in promoting the spread 

 of education among the people, and in offering encouragement to gifted investi- 

 gators. 



In recognition of this high service to the cause of scientific learning, North- 

 western University not only offers felicitations for past achievements, but also 

 wishes for The Academy of Natural Sciences of Philadelphia continued prosperity 

 and success in the prosecution of its noble work. 



Chicago, Illinois, March fifteenth, nineteen hundred and twelve. 



A. W. Harris, 



President. 



