FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 457 



RICHARDS, JOSEPH W., Professor of Metallurgy, Lehigh University, South 



Bethlehem, Pa. 

 Paper presented : The Electric Furnace in Metallurgy. 



RICHARDS, R. C., 226 West Jackson Street, Chicago, 111. 



Paper presented: The Safety -first Movement in American Railways. 



RICHARDS, R. H., Mining Engineer, 491 Boylston Street, Boston, Mass. 

 Member of Committee, Subsection 2, Section VII. 

 Paper presented : Ore Dressing. 



RICHARDSON, CHARLES W., 1317 Connecticut Avenue, Washington, D. C. 

 Delegate American Climatological and Clinical Association. 



RICHMOND, C. A., Schenectady, N. Y. 

 Delegate 



Union College. 



Association of Colleges and Preparatory Schools of the Middle 

 States and Maryland. 



RICKARD, T. A., Editor Mining and Scientific Press, San Francisco, Cal. 

 Paper presented: The Influence of Technical Journals Upon Engi- 

 neering Education. 



RICKER, Mrs. JEWETT, 6726 Sheridan Road, Chicago, 111. 

 Alternate National Federation of College Women. 



RICKETTS, L. D., Mining and Metallurgical Engineer, New York, N. Y. 

 Member of Committee, Subsection 2, Section VII. 

 Paper presented : Improved Mining and Metallurgical Methods as an 

 Aid to Conservation. 



RIDSDALE, P. S., 1410 H Street NW., Washington, D. C. 

 Alternate American Forestry Association. 



RIGGS, ROBERT B., Professor, Department of Chemistry, Trinity College, 



Hartford, Conn. 

 Delegate Trinity College. 



RIGGS, WALTER M., President, Clemson Agricultural College, South 



Carolina. 

 Delegate 



Clemson Agricultural College. 



Southern Conference for Education and Industry. 



Rios CARVALHO, ANTONIO DOS, Professor, Rio de Janeiro, Brazil, South 



America. 



Paper Presented: The Republican Dictatorship and the Brazilian 

 Government. 



