ADDENDA. 



FAIRLIE, JOHN A., University of Illinois, Urbana, 111. 



Paper presented: Extra-Mural Services of State Endowed Univer- 

 sities, Including University Extension from Governmental Stand- 

 point. 



FAIRLEY, WM., Commercial High School, Brooklyn, N. Y. 

 Paper presented : The Successful Commercial High School. 



GEIJSBEEK, JOHN B., Foster Building, Denver, Colo. 



Paper presented : The Teaching of A ccounting in the Collegiale Busi- 

 ness Training Course. 



GRASS, DONALD F., Professor, Leland Stanford Junior University, 



Palo Alto, Cal. 



Paper presented: The Teaching of Accounting in the Collegiate Busi- 

 ness Training Course. 



HARDY, OSGOOD, 1222 Yale Station, New Haven, Conn. 

 Paper presented: Peru's Financial Problem. 



HUNTINGTON, ELLSWORTH, Yale Station, New Haven, Conn. 



Paper presented: Solar Activity, Cyclonic Storms, and Climatic 

 Changes. 



HUTTON, FREDERICK R., 29 West Thirty-ninth Street, New York City. 

 Paper presented: Cooperation between Engineering Societies and 

 Engineering Schools. 



JOHNSON, ALVIN S., The New Republic, 421 West Twenty-first Street, 



New York City. 

 Paper presented : Protection and Nationalism. 



KELLOGG, B. H., Economic Chemist, Department of Agriculture, Wash- 

 ington, D. C. 

 Papers presented in collaboration with S. L. Jodidi : 



A Simple, Efficient, and Economic Filter; Its Application to the 

 Filtration of the Yellow Precipitate in Phosphoric- Acid Esti- 

 mations. 



The Application of the Paper-Pulp Filter to the Quantitative 

 Estimation of Calcium and Magnesium. 



LAUDER, ANNA M. R., Professor Public Health, Yale Medical School, 



New Haven, Conn. 



Paper presented in collaboration with C. E. A. Winslow: Fresh Air 

 and Ventilation in the Light of Modern Research. 



