622 



THE POPULAR SCIENCE MONTHLY 



Education, Psychology and Philosophy, 

 Rousseau 's Contributions to, W. B. 

 Pillsbury, 331 ; Administrative 

 Peril in, Joseph Jastrow, 495; 

 Building, New York State, Dedica- 

 tion of, 517 



Engineering Course, Cooperative, of 

 the University of Cincinnati, 100 



Eradication of Hookworm Disease, 205 



Esthetics, The Physiological Basis of, 

 Henry Sewall, 61 



Eugenics, Congress, The First Interna- 

 tional, 310 ; Relation to Euthenics, 

 Leon J. Cole, 475 



Evolution of the Dollar Mark, Florian 

 Cajori, 521 



Fecundity, The Inheritance of, Ray- 

 mond Pearl, 364 



Fireproofing, Permanent, of Cotton 

 Goods, William Henry Perkin, 397 



Flowers, Bees which Visit only One 

 Species of, John H. Lovell, 197 



Fly, House, and Certain Other Insects, 

 Role in the Spread of Human Dis- 

 eases, W. E. Britton, 36 



Football Men, and Smoking, Fred- 

 erick J. Pack, 336 



Forces, History-making, Frank T. 

 Carlton, 349 



Forestry, Practical, explained, C. C. 

 Andrews, 531 



Function of the American College, A. 

 J. Rogers, 574 



Gauss and his American Descendants, 

 Florian Cajori, 105 



Genesis of Individual and Social Sur- 

 plus, Alvan A. Tenney, 551 



Genius and Hair-color, Charles Kas- 

 sel, 284 



Glaser, Otto C, Is a Scientific Ex- 

 planation of Life Possible? 78 



Government, Commission, The Real 

 Problem of, Oswald Ryan, 275 



Grasshoppers, Modern "Warfare against, 

 F. L. Washburn, 465 



Guayule, A Desert Rubber Plant, F. E. 

 Lloyd, 313 



Gudger, E. W., George Marcgrave, the 

 First Student of American Natural 

 History, 250 



Hair-color, and Genius, Charles Kas- 

 sel, 284 



Heinemann, P. G., Cold Storage Prob- 

 lems, 153 



Helps to Studying, Joseph W. Rich- 

 ards, 193 



Highway Construction, Trinidad and 

 Bermudez Asphalts and their Use in, 

 Clifford Richardson, 19, 170 



Hill, Leonard, Stuffy Rooms, 374 



Hindu-Arabic Numerals, Edmund Ray- 

 mund Turner, 601 



History-making Forces, Frank T. 

 Carlton, 349 



Hoax, Seventeenth-century, Basil Val- 

 entine, John Maxson Stillman, 591 



Holes in the Air, W. J. Humphreys, 50 



Hookworm Disease, Eradication of, 205 



House Fly, and Certain Other Insects, 

 Role in the Spread of Human Dis- 

 eases, W. E. Britton, 36 



Humphreys, W. J., Holes in the Air, 

 50 



Hunger, A Consideration of the Nature 

 of, W. B. Cannon, 291 



Individual and Social Surplus, Genesis 



of, Alvan A. Tenney, 551 

 Industrialism, Charles S. Slichter, 



355 

 Inheritance of Fecundity, Raymond 



Pearl, 364 

 Insects as Agents in the Spread 



of Disease, W. E. Britton, 36; 



Charles T. Brues, 537 

 Interests, Permanence of, and Relation 



to Abilities, Edward L. Thorndike, 



449 

 International, Eugenics Congress, The 



First, 310; Scientific Congresses 



meeting in America, 412 



Jastrow, Joseph, The Administrative 



Peril in Education, 495 

 Jews, are they a "Pure Race"? 



Abram Lipsky, 70 



Kassel, Charles, Genius and Hair- 

 color, 284 



Keyes, Charles R., Wind-graved 

 Mesas and their Message, 227 



Lamps, Old, for New, John Mills, 238 



Life, Is a Scientific Explanation Pos- 

 sible? Otto C. Glaser, 78 



Lipsky, Abram, Are the Jews a ' ' Pure 

 Race"? 70 



Lloyd, F. E., The Guayule — A Desert 

 Rubber Plant, 313 



Lovell, John H., Bees which visit 

 only One Species of Flowers, 197 



Macartney, Clarence Edward, The 

 Minister's Son, 345 



Marcgrave, George, the First Student 

 of American Natural History, E. W. 

 Gudger, 250 



Medicine, Research in, Richard M. 

 Pearce, 5, 115, 209; Award of the 

 Nobel Prize in, 615 



Mesas, Wind-graved, and their Message, 

 Charles R. Keyes, 227 



Mills, John, Old Lamps for New, 238 



Minister's Son, The, Clarence Ed- 

 ward Macartney, 345 



Modern Thought, Edward F. Will- 

 iams, 133 



