REPORT OF THE SECRETARY. 91 
America’s Contributions to International Law. By Paul S. Reinsch. 
Public Opinion as a factor in our American Democracies. By L. 8S. Rowe. 
Reasons why the English Colonies on Achieving their Independence Became a 
Single State, whereas the Latin-American Colonies did not Form a Federation 
or even a Confederation. By Hiram Bingham. 
Geological Work in Brazil. By Orville A. Derby. 
Foundations of the Spanish and English Colonial Civilization in America. 
By Bernard Moses. 
Gold and Prices. By J. Lawrence Laughlin. 
Uniformity and Conformity in the Census Methods of the Republics of the 
American Continent. By S. N. D. North. 
The Influence of Urban Environment on the Life and Thought of the People. 
By L. S. Rowe. 
The Treatment of Indian Tribes of the United States. By Francis E. Leupp. 
Race Degeneration. By W. B. Smith. 
The Reclaiming of Arid Lands in the United States. By F. H. Newell. 
Instruction in Animal Husbandry in the Agricultural Colleges of the United 
States. By George M. Rommel. 
National Sanitary Animal Police in the United States. By George M. Rommel. 
The Tendencies of Female Education and its Bearing on the Social Mission 
of the Women of America. By Wm. F. Rice. 
Standard Time System. By Prof. David Todd. 
Adaptation of Instruction to the American Social Medium. By W. R. 
Shepherd. 
Nurses as Assistants in the Medical Inspection of Schools. By Dora Keen. 
Recent Advances in the Study of Typhoid Fever. By M. J. Rosenau. 
Pensioning Mothers who Depend on the Labor of their Sons, to Enable the 
Latter to Pursue their Studies. By Dora Keen. 
Plans and Gauges of Intercontinental Railways. By Wm. J. Wilgus. 
Some Phases of the Early History of Mexico and Central America. By Alcée 
Fortier. 
The Writing of History in the United States. By W. M. Sloane. 
The Value of Gas Power. By Charles KE. Lucke. 
Uniformity of Commercial Law throughout the American Continent. By 
Roscoe Pound. 
Pan-American Terminology. By C. O. Mailloux. 
Car Lighting in America. By R. M. Dixon. 
Reinforced Concrete Construction for South America. By Wm. H. Burr. 
The New Philippine Currency System. By H. W. Kemmerer. 
Water Supply of Cities and Towns. By Allen Hazen. 
Use of Tertiary Coals in General Metallurgy and in the Manufacture of 
Coke. By Wm. Hutton Blauvelt. 
The Supply of Potable Water. By Rudolph Hering. 
An Analysis of Five Hundred Cases of Epidemic Meningitis Treated with the 
Antimeningitis Serum. By James W. Jobling and Simon Flexner. 
American Agriculture in its Relation to Chilean Nitrate. By Wm. 8. Myers. 
The Processes for the Concentration of Ore. By Robert H. Richards. 
Future Supply of Iron Ore. By Henry M. Howe. 
These papers, with the exception of a small number which did not arrive in 
time to find a place in the programme, were presented in Spanish, which was 
the almost exclusive language of the congress. 
The concluding session of the congress was held at the university in the 
forenoon of January 5, and various matters of general interest were disposed of. 
These included a discussion of methods of procedure, policy, and scope of future 
