41 6 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



LECUNA, VICENTE, Director, School of Arts and Crafts, Caracas, Vene- 

 zuela, South America. 

 Official Delegate of Venezuela. 

 Member Cooperating Committee, Venezuela. 



LE DEUC, CHARLES, Grinnell, Iowa. 

 Alternate Grinnell College. 



LEDOUX, J. W., Engineers' Club, Philadelphia, Pa. 

 Delegate Engineers' Club, Philadelphia, Pa. 



LEETE, JOHN HOPKIN, Carnegie Institute of Technology, Pittsburgh, Pa. 

 Alternate Carnegie Institute of Technology. 



LEFEVRE, EDWIN, Century Club, New York, N. Y. 

 Official Delegate of Panama. 



LEGRAND, ENRIQUE, Montevideo, Uruguay, South America. 

 Member Cooperating Committee, Uruguay. 



LEIGHTON, M. O., Consulting Engineer, 501 MacLachlen Building, 



Washington, D. C. 



Member of Committee of Subsection 3, Section III. 

 Chairman of Subsection 4, Section V. 

 Papers presented : 



Coordination in the Development of Our Water-Power Resources 



with Other Uses of Water. 

 Water-Power Resources of the United States. 



LEITH, C. K., Professor, University of Wisconsin, Madison, Wis. 

 Delegate University of Wisconsin. 

 Papers presented: 



Conservation of Iron Ore. 



Iron-Ore Deposits of the Americas. 



LEIVA QUIROS, EL! AS, School of Law of Costa Rica, San Jose, Costa 



Rica, Central America. 



Paper presented: The Attitude of the Government in the Matter of 

 National Forests; Relation of Forest Culture to the Future Devel- 

 opment of Central and South America. 



LEMUS, MANUEL, Guatemala City, Guatemala, Central America. 



Paper presented: Data for the History of Mining in Guatemala. 



LENG, CHARLES W., Secretary, New York Entomological Society, 231 



West One hundred and thirty-fifth Street, New York, N. Y. 

 Alternate New York Entomological Society. 



