458 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



Rios, RAFAEL, i Broadway, New York, N. Y. 



Delegate Insular Chamber of Commerce, San Juan, Porto Rico. 



RISQUEZ, FRANCISCO A., Secretary National Board of Instruction, 



Caracas, Venezuela. 



Member Cooperating Committee, Venezuela. 

 Papers presented : 



What Preparation Should be Required for Admission to Medical 

 Schools 9 What Should be the Minimum Requirements for 

 Graduation? What Portion of the Faculty of a Medical School 

 Should be Required to Give All Their Time to Teaching and 

 Investigation? What Instruction May Best be Given by Phy- 

 sicians Engaged in Medical Practice? 



To What Extent is Coeducation Desirable in Elementary Schools, 

 High Schools, Colleges, and Universities? 



RITTMAN, W., Chemical Engineer, United States Bureau of Mines, De- 

 partment of Interior, Pittsburgh, Pa. 

 Paper presented : Rittman Process. 



RIVA ZUCHELU, JUAN, Civil Engineer, Montevideo, Uruguay, South 



America. 

 Delegate American International University Bureau. 



RIVAS, DAMASO, Nicaragua, University of Pennsylvania, Philadelphia, Pa. 

 Chairman of the Official Delegation of Nicaragua. 

 Papers presented : 



Parasitic Diseases in the American Tropical Countries. 

 The Preparatory and College Education in the Latin American 

 Colleges in Relation to the Studies in the Medical Schools of the 

 United States of America. 



RIVERA, MARCIAL I., Santiago, Chile, South America. 



Paper presented : Reorganization of the Medico-Legal Service in Chile. 



RIVERA MUNOZ, Luis, Resident Commissioner for Porto Rico, Washing- 

 ton, D. C. 

 Delegate University of Porto Rico. 



ROBB, ROBERT G., St. Stephens College, Annandale, Dutchess County, 



N. Y. 

 Delegate St. Stephens College. 



ROBERTS, GEORGE E., National City Bank, New York, N. Y. 

 Member of Committee, Subsection 3, Section IX. 

 Paper presented : Effects of the War upon the Trade of South America. 



