446 FINAL, ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



PENAHERRERA, MARIANO, Dean, Faculty of Medicine, Central University 



of Quito, Quito, Ecuador, South America. 

 Member Cooperating Committee, Ecuador. 

 PENAHERRERA, RAFAEL, Quito, Ecuador, South America. 



Secretary of the Official Delegation of Ecuador. 

 PENAHERRERA, VICTOR MANUEL, Professor, Central University of Quito, 



Quito, Ecuador, South America. 

 Official Delegate of Ecuador. 

 Delegate Central University of Quito. 

 Member Cooperating Committee, Ecuador. 

 Paper presented : A Study of the Jury System of Ecuador. 

 PENFIELD, WALTER S., Colorado Building, Washington, D. C. 

 Secretary of the Official Delegation of the United States. 

 Member of Committee, Subsection i, Section VI. 

 Paper presented: The Attitude of American Countries Toward Inter- 

 national Arbitration and the Peaceful Settlement of International 

 Disputes. 



PENNYBACKER, J. E., Chief Division of Road Economics, Office of Public 

 Roads and Rural Engineering, Department of Agriculture, Wash- 

 ington, D. C. 

 Paper presented : Public Roads in the United States. 



PENNYBACKER, Mrs. PERCY V., 2606 Whitis Avenue, Austin, Tex. 

 Delegate General Federation of Women's Clubs. 



PEPPER, GEORGE H., Museum of the American Indian, 10 East Thirty- 

 third Street, New York City, N. Y. 

 Alternate Museum of the American Indian, "Heye Foundation. 



PEREiRA DA SILVA, G. CLODOMIRO, Technical Counselor to the Ministry of 



Agriculture, State of Sao Paulo, Brazil, South America. 

 Papers presented : 



Laws Governing Running Water and Waterfalls. 



Sewers and Sewage Disposal. 



Mountain Railroad Transportation. 



Uniform Gauge for Railways in Central and South America. 



PiJREz, ABEL J., National Inspector of Primary Instruction, Montevideo, 



Uruguay, South America. 

 Member Cooperating Committee, Uruguay. 

 Papers presented : 



Some Ideas on Fresh Orientations in Education. 

 Bases for a Public School Law. 



