REPORT OF THE PRESIDENT, 1914. 37 



The improvements in the Assembly Room and the repairs to 

 the roof of the coal vault, as described in detail in the President's 

 report for last year, have been completed at a 

 fncfSproASme^nts' ^^^^^ ^^^^ (including purchasc and installation of 

 to Administration ^ motor generator and auxiliary apparatus) of 

 $10,035.16. In addition, the Executive Com- 

 mittee has authorized, during the past year, the installation of 

 40 additional feet of double-faced steel bookshelving for housing 

 the publications of the Institution and 40 steel bins for the 

 storage of printing paper in the basement of the Administration 

 Building, This equipment has been satisfactorily built and in- 

 stalled at a cost of $575. 



During the year the wooden floors in the basement of the 

 building have been removed, and in turn replaced by floors of 

 cement. Wooden window-frames, baseboards, and sash, which 

 might prove a harboring place for termites, that threatened to 

 seriously damage these rooms, have also been replaced by corre- 

 sponding parts of steel. The total cost of these improvements, 

 not yet paid for, will be about $2,500, the allotted amount, as 

 stated in the President's report of last year. 



PUBLICATIONS. 



The publication of twenty volumes has been authorized by the 

 Executive Committee during the year, at an aggregate estimated 



Publications cost of $33,848.78. The following Hst gives the 



Issued duriSi'^ titles and names of the authors of the publications 



the Year. issucd during the year; it includes 23 volumes, 



with an aggregate of 4,978 octavo pages and 1,934 quarto pages. 



Twenty-nine additional volumes are now in press. 



List of Publications Issued during the Year. 



Year Book, No. 12, 1913. Octavo, xvi+336 pages, 13 plates. 



Index Medicus, Second Series, vol. II, 1913. Octavo, 1,681 pages. 



No. 27. Smith, Erwin F. Bacteria in Relation to Plant Diseases. Quarto. Vol. III. Vas- 

 cular Diseases, viii+281 pages, 46 plates, 138 text figures. 



No. 90a. Andrews, Charles M. Guide to the Materials for American History, to 1783, in the 

 Public Record Ofiice of Great Britain. Vol. II. Departmental and Miscellaneous 

 Papers. Octavo, viii+427 pages. 



No. 90b. Paullin, C. O., and F. L. Paxson. Guide to the Materials in London Archives for United 

 States History since 1783. Octavo, xi+642 pages. 



No. 149. Barns, Carl. The Production of Elliptic Interferences in Relation to Interferometry. 

 Part III. Octavo, pages vi+ 169-273, text figures 65-119. 



No. 165. Lehmer, Derrick N. Tables giving a Complete List of Prime Numbers between the 

 limits 1 and 10,006,721. Foho, xvi+133 pages. 



No. 182. Papers from the Tortugas Laboratory of the Carnegie Institution of Washington. 

 Vol V. Octavo, III+222 pages, 7 plates, 3 maps, 68 figures. 



No. 183. Papers from the Tortugas Laboratory of the Carnegie Institution of Washington. 

 Vol. VI. Octavo, III+323 pages, 27 plates, 97 figures. 



