442 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



OSGOOD, W. H., Field Museum of Natural History, Chicago, 111. 

 Alternate Field Museum of Natural History. 



OSPINA, Tuuo, Director, School of Mines of Medellin, Bogota, Colombia. 

 Official Delegate of Colombia. 

 Delegate 



National Historical Academy. 



University of Antioquia. 



University of Cauca. 

 Paper presented : General and Economic Geology oj Colombia. 



OTERO, Luis ALFREDO, Bogota, Colombia, South America. 



Paper presented : Are There Specific American Problems of Inter- 

 national Law? 



OUSLEY, Col. CLARENCE, Director of Extension, Agricultural and Mechan- 

 ical College of Texas, College Station, Tex. 

 Delegate Agricultural and Mechanical College of Texas. 



OWENS, CLARENCE J., Managing Director, Southern Commercial Con- 

 gress, Southern Building, Washington, D. C. 

 Delegate Southern Commercial Congress. 



OWENS, R. B., Secretary, Franklin Institute, Philadelphia, Pa. 

 Delegate Franklin Institute. 



OYARZUN, AURELIANO, Santiago, Chile, South America. 

 Paper presented : Paleolithic Station of Taltal. 



PADGETT, WILLIAM, Assistant Superintendent, United States Botanical 

 Gardens, Washington, D. C. 



Alternate United States Botanical Gardens. 



PADILLA, ALBERTO, Guatemala City, Guatemala, Central America. 

 Paper presented : The Locust and its Destruction. 



PAES LEME, Luis BETIM, Director, South American Fuel Company, 

 115 Avenida de Ligacao, Rip de Janeiro, Brazil, South America. 

 Delegate 



Engineers' Club of Rio de Janeiro. 

 National Museum. 

 Papers presented : 



The White Coal of Brazil and its Application. 

 Radio Active Minerals of Brazil. 



