REPORT OF THE PRESIDENT, 1919. 29 



Geophysical Laboratory (Sept. 30, 1919) : 



Building, library, operating appliances $169 , 373 . 86 



Laboratory apparatus 75 , 000 . 03 



Shop equipment 10,888.36 



Department of Historical Research (Sept. 30, 1919) : 



Office 2 , 575 . 72 



Library 3 , 926 . 55 



Department of Marine Biologj- (Sept. 30, 1919) : 



Vessels 31,180.43 



Buildings, docks, furniture, and library 12, 120.36 



Apparatus and instruments 8 , 745 . 30 



Department of Meridian Astrometry (Sept. 30, 1919) : 



Apparatus and instruments 2,453.41 



Operating 2, 146.37 



Nutrition Laboratory (Sept. 30, 1919) : 



Building, office, and shop 120,854.54 



Laboratory apparatus 24 , 546 . 09 



$255,262.25 



6,502.27 



52,046.09 



4,599.78 



145,400.63 



Mount Wilson Observatory (Aug. 31, 1919): 



Btiildings, grounds, road, and telephone line 174,748.22 



Shop equipment 37,533.51 



Instruments 422,056.26 



Furniture and operating appliances 134 , 679 . 57 



Hooker 100-inch reflector 516,903.30 



1 , 285 , 920 . 86 



Department of Terrestrial Magnetism (Sept. 30, 1919) : 



Building, site, and office 145,391.62 



Vessel and survey equipment 145,730. 18 



Instruments, laboratory, and shop equipment 80,686.99 



Publications: 



Stock on hand at sale price (Oct. 31, 1919) 292,272.45 



Outstanding accounts (Oct. 31, 1919) 2, 686 .91 



371,808.79 



294,959.36 



3,165,047.13 



The cost of maintenance of the Administration Building, 



including the items of fuel, Hghting, janitorial services, mainte- 



^ „ . nance of grounds, repairs, and other incidental 



Expenses of Mam- ° j l- ? 



tenance of Admin- expeuses, has been, for 1910, $2,981.65; for 1911, 

 istration BuUding. |2,641.53; for 1912, $2,919.89; for 1913, $2,601.15; 



for 1914, $3,251.08; for 1915, $3,955.60; for 1916, $2,870.51; 



for 1917, $3,272.50; for 1918, $3,891.80, and for 1919, $3,834.38. 



PUBLICATIONS. 



The publication of 22 volumes has been authorized by the 

 Executive Committee during the year, at an aggregate estimated 

 T, uv .■ ^ .u cost of $59,200.00. The following hst gives the 



Publications Author- ' ® ^ 



ized and Issued titles and names of authors of the pubUcations 



unng e ear. jgg^^^ during the year; it includes 29 volumes, 



with an aggregate of 5,834 octavo pages and 2,431 quarto 



