274 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



Etiology and Prevention of Insanity from the Sociological Point of View. 

 WILUAM A. WHITE, Superintendent, Government Hospital for the 

 Insane, Washington, D. C. 



Aftercare of the Insane as Prophylaxis. 



K. C. SOUTHARD, Harvard Medical School, Boston, Mass. 

 S. C. Rossi, Montevideo, Uruguay. 



Mental Hygiene of Adolescents. 



A. MORAGA PORRAS, Santiago, Chile. (Three papers.) 



Mental Autophrasia. 



FERNANDO GORRITI, Physician of the National Colony for the 

 Insane, Buenos Aires, Argentina. 



J. MORENO, Buenos Aires, Argentina. (Five reprints.) 



MONDAY MORNING, JANUARY 3, 19169 O'CLOCK. 

 Eighth General Session of Section VIH, Subsection 4. 



WHITE PARLOR, NEW EBBITT HOTEL. 



Surg. Gen. RUPERT BL.UE, Chairman. 



A Resume of Some of the Recent Studies of the United States Public Health 

 Service Relating to the Causation and to a Method of Preventing 

 Pellagra. 

 JOSEPH GOLDBERGER, United States Public Health Service. 



The Known and the Unknown with Regard to the Etiology and Prevention 



of Beriberi. 



Capt. K. B. VEDDER, Medical Corps, United States Army, Wash- 

 ington, D. C. 



Beriberi, an Epidemiologic and Experimental Study. 



MARIO G. LEBREDO, Chief of the Section and of the Laboratory of 

 Investigations, etc., Board of Health, Habana, Cuba. 



On the Chemical Nature of the Vitamines. 



R. R. WIUJAMS, Bureau of Chemistry, Department of Agriculture, 

 Washington, D. C. 



