The Popular Science Monthly
Entered in the Post Office in Lancaster, Pa., as second-class matter.
CONTENTS OF SEPTEMBER NUMBER
The Value of Science. M. H. PoincarS:. Discontinuous Variation in Pedigree-cultures.
DR
D. T. MacDovgal.
America and Seismological Research. Dr. William Herbert Hobbs.
Immuuity in Tuberculosis. Dr. Simon Flexner.
The Protection of the Alluvial Basin of Mississippi Robert Marshall Brown.
The Jews, a Study of Race Environment. Maurice Fishberg.
The Development of Mechanics. Dr. S. E. Slocum.
Diamonds and Carbons in Brazil. H. W. Furniss.
Shorter Articles: Sigma Xi : M. B.
The Bureau of Education ; Professor Mendeleeff; Appropriations for the Department of Agricul- ture ; The Will of Alfred Beit ; Scientific Items.
CONTENT8 OF OCTOBER NUMBER
The Earthquake Rift of 1906. President David Starr Jordan.
The Value of Science. M. H. Poincarb Francis Bacon and the Modern University. Pro- fessor Edward O. Sisson.
Briticisms versus Americanisms. Professor Edwin W. Bowen.
Difficult Boys. Dr. J. Madison Taylor.
Genius. Dr. Robert Morris Ogden.
The Birth of the Idea of Spirit in Greek Thought. President Mary Mills Patrick.
The Scientific Aspects of Luther Burbank's Work. Professor Vernon L. Kellogg.
Discussion and Correspondence :
The Effects of Immigration on Homicide. Pro- fessor Morris Loeb.
The Progress of Scien ce :
The British Medical Association and the Univer- sity of Toronto ; The National Pure Food Law ; Scientific Items.
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