232 REPORT OK THE SECRETARY GENERAL. 



The progress of the antituberotUosis fight in Brazil, by Clemen te Ferreira. 



The training of defectives, by E. R. Johnstone. 



Tratamiento de la ttiberciUosis por el pneumo-tdrax artificial, by Joaquim 



de Oliveira Botelho. 

 Tratamiento en libertad de los alienados en la Repuhlica Argentina, by 



Ricardo Sarmiento Laspiur. 

 Un trabajo de proiesis dental, by A. E. Mordn. 

 Un nuevo flagelado de las planias (Leptomonas Elmassianii), by Luis H. 



Migone. 

 Vvlgarizacidn cienlifica. Higiene hucal, by Julio h. Catoni. 

 Ways and means of bringing matters of piiblic health to social usefulness 



by William C. Woodward. 

 What can unofficial effort do for public health 9 by Hoyt E. Dearholt. 

 What can unofficial effort do for public health 9 by Irving Fisher. 

 Youthful offenders — a comparative study of two groups, each of i,ooo 



young recidivists, by William Healy and Augusta F. Bronner. 



SUBSECTION 4. 

 SANITATION. 



A contribution to the study of artificial illumination, by James D. Gatewood. 



Available methods for the sanitary disposal of refuse, by George A. Soper. 



Buildings for human occupancy, by Robert W. de Forest. 



Changes in the food supply and their relation to nutrition, by Lafayette B. 

 Mendel. 



Collection. and disposal of municipal refuse, by J. T. Fetherston. 



Enfermedades transmitidas por insectos en Pan America, by Juan Guiteras. 



Fresh air and ventilation in the light of modern research, by C. E. A. Winslow. 



Nota sobre a extincfdo completa da febre amarella no Estado de S. Paulo 

 (Brasil), by Emilio Ribas. 



Rural hygiene, by J. N. Hurty. 



Sanitary aspects of waste disposal, by W. T. Sedgwick, 



Teoria bioldgica de la inmunidad; tratamiento esencial de las diversas 

 infecciones de neumococo, by Julio Mendez. 



The applicability of microscopic methods to the study of water-supply prob- 

 lems, by E. M. Chamot. • 



The control of Asiatic cholera on international trade routes, by Allan J. 

 McLaughlin. 



The effect of land subdivision upon housing and public health, by John 

 Nolen. 



The human side of city planning, by J. Horace McFarland. 



