cxlii PROCEEDINGS OF THE CENTENARY MEETING. 



Imp. Russkoje Geograficeskoje Obscestvo, St. Petersburg. Seme- 

 nov-Tjan-Shanskij, Vice-President; Dostoievsky, Secretary. 



Senckenbergische Naturforschende Gesellschaft, Frankfurt a. M. 



Societa Italiana per il Progresso delle Scienze, Rome. 



r. societas scientiarum upsaliensis. 



K. Universitetet i Upsala. 



Imp. University of Tokyo. 



Zoologische Station, Naples. 



Acknowledgment of these communications was made as follows, embodying 

 the action of the Academy taken at the meeting of April 16, 1912: 



Resolved: That The Academy of Natural Sciences of Philadelphia 

 finds much encouragement and stimulus in the expressions of cordial congratula- 

 tion and recognition of its labors that reached it on the occasion of the celebra- 

 tion of the Centenary Anniversary of its Foundation. 



Resolved: That the Corresponding Secretary be instructed to convey to corre- 

 sponding institutions and members an expression of the Academy's warm 

 gratitude for their appreciation and courtesy. 



Samuel G. Dixon, 



President. 

 J. Percy Moore, 



Corresponding Secretary. 

 Edward J. Nolan, 

 Recording Secretary. 



