498 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



YOUNG, ALLYN A., Professor, Cornell University, Ithaca, N. Y. 

 Alternate 



American Economic Association. 

 Cornell University. 



YOUNG, B. B., Vanderbilt University, Nashville, Tenn. 



Delegate Association of Colleges and Preparatory Schools of the 

 Southern States. 



ZALD!VAR, His Excellency RAFAEL, Envoy Extraordinary and Minister 

 Plenipotentiary of El Salvador to the United States, Legation of 

 El Salvador, 1800 Connecticut Avenue, Washington, D. C. 

 Chairman of the Official Delegation of El Salvador. 

 Delegate 



Rosales Hospital. 



School of Pharmacy, Chemistry, and Medicine of the University 

 of El Salvador. 



ZANER, C. P., National Commercial Teachers' Federation, Columbus, Ohio. 

 Delegate National Commercial Teachers' Federation. 



ZANOTTI-CAVAZZONI, I,., Asuncion, Paraguay, South America. 

 Paper presented: Autosangotherapy in Leprosy. 



ZIMMER, M. L-, Director, Astronomical Observatory of the Argentine 



Nation, Cordoba, Argentina, South America. 



Paper presented : Investigations of the Pivots of the io,om.m. Meridian 

 Circle of the Argentine National Observatory at Cordoba. 



ZON, RAPHAEL, United States Forest Service, Washington, D. C. 

 Delegate Society of American Foresters. 



Papers presented : 



South American Forest Resources and Their Relation to the 



World's Timber Supply. 

 Forest Problems and Economic Development in South America. 



ZORRILLA DE SAN MARTfN, JUAN, Montevideo, Uruguay, South America. 

 Member Cooperating Committee, Uruguay. 



ZUNIGA, ANDRES M., Managua, Nicaragua, Central America. 

 Paper presented : Purposes of High-School Education. 



