1909.] NATURAL SCIENCES OF PHILADELPHIA. 573 



tively appointed. While no delegates were appointed to represent 

 the Academy on the other occasions, suitable letters of congratulation 

 or expressions of interest were in each case forwarded. 



As a mark of appreciation of our contribution toward defraying 

 the expenses of its project, the Lamarck Memorial Committee in Paris 

 presented the Academy with the interesting bust of the great French 

 evolutionist that now adorns the Reading Room. 



Numerous letters and notices were answered or referred to the 

 proper officers of the Academy, as their nature required. 



Following is a tabulated statement of the statistics of the cor- 

 respondence for the year : 



Communications Received. 



Acknowledging receipt of the Academy's publications, 209 



Transmitting publications to the Academy, 82 



Requesting exchanges or the supply of deficiencies, 3 



Invitations to learned gatherings, 13 



Notices of deaths of scientific men, 16 



Circulars concerning the administration of scientific institutions, etc., . . 10 



Biographies and photographs of correspondents 21 



Miscellaneous letters, 103 



Total received 457 



Communications Forwarded. 



Acknowledging gifts to the Library , • 1,199 



Acknowledging gifts to the Museum, 86 



Acknowledging photographs and biographies, 1-4 



Requesting the supply of deficiencies in periodicals, 93 



Letters of sympathy and congratulation, etc., 9 



Miscellaneous letters, 83 



Annual Reports sent to correspondents, 234 



Circular letters, 94 



Diplomas and notices of election of correspondents, 13 



Total forwarded, 1,825 



Respectfully submitted, 



J. Percy Moore, 

 Correspo tiding Secretary. 



REPORT OF THE LIBRARIAN. 



Notwithstanding the interruptions occasioned by the building 

 operations and the removal of the Library, the accessions for the cur- 



