PUBLICATIONS. 61 



the Govorninciit Hospital for the Insane in tlie District of Cohim})ia, 

 whicli has resulted in showinj^ that, while the diet given tlie patients 

 and employees in tliat institution was ample as regards its luitritive 

 value, greater variety might he atiorded, and at the same time nuich 

 waste might ])e avoided, l)y stricter supervision of the food supply as 

 related to its nutritive value. Import^mt investigations on the diges- 

 tibility of cereals, fruits, and meat were completed, and reports on a 

 large series of metabolism experiments with the respiration calorime- 

 ter were prepared for publication. In cooperation witli the Associa- 

 tion of American Agricultural Colleges and Experiment Stations, the 

 Office has undertaken a large amount of work in connection with an 

 exhibit of the progress of agricultural education and research at the 

 St. Louis Exposition. 



LINES OF WORK. 



The work of the Office of Experiment Stations during the past 

 year, as heretofore, has included the supervision of the expenditures 

 of the stations; conferences and correspondence with station officers 

 regarding the management, ecpiipment, and work of the stations; the 

 collection and dissemination of information regarding the progress of 

 agricultural education and research throughout the world b}' means 

 of technical and popular bulletins; the management of the agricul- 

 tural experiment stations in Alaska, Hawaii, and Porto Rico; special 

 investigations on the nutrition of man and on irrigation, conducted 

 largely in cooperation with experiment stations, educational institu- 

 tions, and other agencies in diti'erent States and Territories. A new 

 feature of the work of the Office has ])een the systematic promotion 

 of the interests of the farmers' institutes throughout the United 

 States. 



INCOME. 



The income of the Office during the past fiscal year, derived 



wholly from appropriations by Congress, was as follows: 



For the general ])nHiness of the Office $37, 000 



For the Alawku Kxperiineiit Station-s 15, 000 



For the Hawaii Experiment Station 12, 000 



For the Porto Rico Experiment Station 1 2, 000 



For nutrition investigations 20, 000 



F'or irrigation investigations (>o, 000 



Total 161,000 



PUBLICATIONS. 



During the year the Office pul)lished 44 documents, aggregating 

 4,112 pages, a substantial increase over the output of the previous 

 year. The publications issued include 18 numbers of the Experiment 

 Station llecord, 14 technical bulletins, 15 l)ulletins of the Porto Rico 



