32 CARNEGIE INSTITUTION OF WASHINGTON. 



Schedule of real estate, equipments, and publications — Continued. 



Brought forward .$841 , 843 . 94 



Nutrition Laboratory (Sept. 30. 1917) : 



Building, office, and shop 119, .5.38 . 27 



Laboratory apparatus 23, 111 .79 



142,650.06 



Mount Wilson Solar Ohscrvatorj' (Au?i. 31, 1917): 



Buildings, grounds, road, and telephone line 205, 164.98 



Shop equipment 37 , 329 . 56 



Instruments 414,218.56 



Furniture and operating appliances 88,770.86 



Hooker 100-inch reflector 492,177.46 



1 , 237 , GO 1 . 42- 



Department of Terrestrial Magnetism (Sept 30, 1917): 



Building, site, and office 132,529.59 



Vessel and survey equipment 129, 143.91 



Instruments, lalwratorv, and shop equipment 63,291 . 17 



324,964.07 



2,547,120.09- 

 Publications: 



Stock on hand at sale price (Oct. 31, 1917) 263,472.80 



Outstanding accounts (Oct. 31, 1017) 1 ,708. 17 



265,180.97 



2,812.301.06 



The cost of maintenance of the Administration Building, 



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



Expenses of Main- i^^nce of grounds, repairs, and other incidental 



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



istration Building. |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, and 



for 1917, $3,272.50. 



PUBLICATIONS. 



The publication of 25 volumes has been authorized by the 

 Executive Committee during the year, at an aggregate estimated 

 PubHcations Author- ^ost of $65,029.06. The following list gives the 

 ized and Issued titles and iiames of the authors of the publications 

 durmg the Year, igg^g^j during the year; it includes 21 volumes, with 

 an aggregate of 4,464 octavo pages and 2,691 quarto pages; 27 

 additional volumes are now in press. 



List of publications issued during the year. 

 Year Book, No. 15, 1916. Octavo, 422 pages, 1 plate, 3 figures. 

 Index Medicus, Second Series, vol. 14, 1916. Octavo, 1010 pages. 

 No. 159. Howard, L. O., Harrison G. Dyar, and Frederick Knab. The Mosquitoes of North :in 1 



Central America and the West Indies. In 4 volumes. Vol. 4. Systematic Descrip- 

 tion, Part II. Octavo, pages 525 to 1064. 

 No. 175. Bauer, L. A., in collaboration with W. J. Peters, J. A. Fleming, J. P. Ault, and W. F. G. 



Swann. Ocean Magnetic Observations, 1905-1916, and Reports on Special Researchf!;*. 



(Researches of the Department of Terrestrial Magnetism. Vol. IIL) Quarto, vii 4- 



447 pages, 24 plates, 35 figures. 

 No. 208. Broughton, L. N., M. R. Thayer, and others. A Concordance to the Poems of Keats. 



Quarto, xxi + 437 pages, 1 plate. 

 No. 215C. History of Transportation in the United States before 1860. Prepared under the 



direction of Balthasar Henry Meyer by Caroline E. MacGill and a staff of Colin !>o- 



rators. Octavo, x + 678 pages, 5 plates. 



