REPORT OF THE PRESIDENT, 1913. 



35 



the equivalent of about 2,200 volumes, of the Index Medicus, having 

 a sale value of $13,825.50. The total value of publications on hand 

 is therefore $218,268.95. 



In connection with the above statement it is fitting to add that 

 since the foundation of the Institution there have been distributed, 

 chiefly by gifts to libraries and to authors, but to a noteworthy extent 

 also by sales, a total of 117,762 volumes of publications of the 

 Institution. 



Of statistical interest in respect to the work of publication of the 

 Institution the data furnished in the following table are instructive. 

 Growth and Extent "^^'^ hundred and fifty-nine volumes, embracing a 

 of Institution's total of upwards of 67,000 pages of printed matter, 

 ica ions. j-^^yg ^j^i^ig fap i^g^n issued by the Institution. The 

 maximum number of volumes and the maximum number of pages 

 for any one year were attained in 1907 by reason of a gradual accu- 

 mulation of manuscripts for publication up to that time. Since then 

 the number of volumes issued per year has varied from 19 to 30, with 

 an average of 26 volumes. 



Table showing number of volumes, number of pages {oclavo and quarto), and total 

 number of pages of publications issued by the Institution for each year and for 

 the twelve years since 1902. 



