1902.] NATURAL SCIENCES OF PHILADELPHIA. 799 



Upon the invitation of the Senate of the University of Chris- 

 tiana to send a delegate to the meeting held to honor the memory 

 of Niels Henrik Abel on the 100th anniversary of his birth, Prof. 

 Robert Collett, a Correspondent, was appointed as the Academy's 

 representative. 



In lieu of sending delegates an address was forwarded to be read 

 at the jubilee meeting of Prof. Albert Gaudry, held in Paris, and 

 letters of sympathy to be read at the Boston meeting memorial to 

 Prof. Alpheus Hyatt, and at the funeral services of Prof. Lacaze- 

 Duthiers. 



The statistics of the correspondence for the fiscal year are given 

 in the following table : 



Communications Received. 



Acknowledgments of the Academy's publications, . . . 177 



Notices transmitting publications, 66 



Requests for exchanges and deficiencies, 10 



Invitations to participate in meetings, etc., 6 



Circulars concerning the administration of scientific institu- 

 tions, research funds, etc., 4 



Notices of the deaths of scientific men, 5 



Photographs from correspondents, 76 



Letters from correspondents, 43 



Miscellaneous letters, requests for information, etc., ... 12 



Total communications received from 158 institutions and 104 



individuals, 399 



Communications Forwarded. 



Acknowledgments of gifts to the Library, 667 



Acknowledgments of gifts to the Museum, 84 



Acknowledgments of photographs, 76 



Copies of Circular letter, 1-^2 



Copies of Annual Reports, 173 



Notices of election and correspondent's diplomas, .... 3 



Address, resolutions, letters of congratulation and condolence, 4 



Letters to correspondents, 14 



Letters on miscellaneous topics, 21 



Total forwarded, . , 1174 



Respectfully submitted, 



J. Percy Moore, 

 Corresponding Secretary. 



