1 84 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



Subsection B. 

 FIRST SESSION, TUESDAY, DECEMBER 28, 19152.30 P. M. 



CHARLES F. MARVIN, Chief of the United States Weather Bureau, 



Chairman. 



The meeting was called to order by C. F. MARVIN, chairman of the 

 subsection, who delivered an address of welcome. 

 The following papers were read : 



Investigations on the Prediction of Barometric Variations. Rev. S. SARA- 

 SOLA, S. J. 

 Discussion by Messrs. LURQUIN and FRANKENFIELD. 



Origin and Course of West Indian Hurricane. J. C. MILL As. 



Discussion by Messrs. SARASOLA and GUTIERREZ LANZA. 

 Thunderstorms. W. H. ALEXANDER. (Read by A. J. HENRY.) 

 Discussion by Messrs. CHURCH, CLAYTON, and PEABODY. 



Agricultural Meteorology. J. WARREN SMITH. 



Discussion by Messrs. CHURCH, FRANKENFIELD, and VOORHEES. 



Subsection A. 

 SECOND SESSION, WEDNESDAY, DECEMBER 29, 19159.30 A. M. 



ROBERT S. WOODWARD, President of the Carnegie Institution of Wash- 

 ington, Chairman. 



The Electric Current. BAUTISTA LASGOYTI. (Read in abstract by 

 ROBERT S. WOODWARD.) 



Some Phenomena of Cryptochroism. GUSTAVO MICHAUD and J. FIDEL 

 TRISTAN. (Read in abstract by .ROBERT S. WOODWARD.) 



The Astrographic Catalogue, Zones 17 to 23. ISMAEL GAJARDO REYES, 

 Subdirector of the Observatory and Head of the Astrographic 

 Department, Santiago, Chile. (Read by SOLON I. BAILEY.) 



A Pan American Reform in the Calendar; Decimal, Perpetual, and Tropical. 

 R. AGUILAR BATRES. (Read in abstract by ROBERT S. WOOD- 

 WARD.) 



