Popular Science Monthly/Volume 81


 * PAGE
 * colspan=2|
 * Research in Medicine III
 * 6
 * Trinidad and Bermudez Asphalts and their Use in Highway Construction I
 * 19
 * The Role of the House Fly and Certain Other Insects in the Spread of Human Diseases
 * 36
 * Holes in the Air
 * 50
 * The Physiological Basis of Esthetics
 * 61
 * Are the Jews a Pure Race?
 * 70
 * Is a Scientific Explanation of Life Possible?
 * 78
 * Some Features of the Root-Systems of the Desert Plants
 * 90
 * The Progress of Science
 * 100
 * colspan=2|
 * Notes on Gauss and his American Descendants
 * 105
 * Research in Medicine IV
 * 115
 * Modern Thought
 * 133
 * Cold Storage Problems
 * 153
 * The World's Most Important Conservation Problem
 * 163
 * Trinidad and Bermudez Asphalts and their Use in Highway Construction II
 * 170
 * An Economic Interpretation of Present Politics
 * 183
 * Helps to Studying
 * 193
 * Bees Which Visit Only One Species of Flower
 * 197
 * The Progress of Science
 * 204
 * colspan=2|
 * Research in Medicine V
 * 209
 * Wind-Graved Mesas and their Message
 * 227
 * Old Lamps for New
 * 238
 * The Revival of Economic Orthodoxy
 * 246
 * George Marcgrave, The First Student of American Natural History
 * 250
 * The Real Problem of Commission Government
 * 275
 * Genius and Hair-Color
 * 284
 * A Consideration of the Nature of Hunger
 * 291
 * The Progress of Science
 * 308
 * colspan=2|
 * The Guayule: A Desert Rubber Plant
 * 313
 * Rousseau's Contributions to Psychology, Philosophy and Education
 * 331
 * Smoking and Football Men
 * 336
 * The Minister's Son
 * 345
 * History-Making Forces
 * 349
 * Industrialism
 * 355
 * The Inheritance of Fecundity
 * 364
 * Stuffy Rooms
 * 374
 * Permanent Fireproofing of Cotton Goods
 * 397
 * The Progress of Science
 * 409
 * colspan=2|
 * A Round-The-World Botanical Excursion
 * 417
 * Some Aspects of Anaphylaxis
 * 434
 * The Permanence of Interests and their Relation to Abilities
 * 449
 * China's Great Problem
 * 457
 * Modern Warfare Against Grasshoppers
 * 465
 * The Relation of Eugenics to Euthenics
 * 475
 * Negroes Who Owned Slaves
 * 483
 * The Administrative Peril in Education
 * 495
 * The Progress of Science
 * 517
 * colspan=2|
 * The Evolution of the Dollar Mark
 * 521
 * Practical Forestry Explained
 * 531
 * Insects as Agents in the Spread of Disease
 * 537
 * The Genesis of Individual and Social Surplus
 * 551
 * Rising Prices and the Public
 * 564
 * The Function of the American College
 * 574
 * Reforming the Calendar
 * 582
 * Basil Valentine: A Seventeenth-Century Hoax
 * 591
 * The Hindu-Arabic Numerals
 * 601
 * The Progress of Science
 * 615
 * Index
 * 621
 * }
 * 409
 * colspan=2|
 * A Round-The-World Botanical Excursion
 * 417
 * Some Aspects of Anaphylaxis
 * 434
 * The Permanence of Interests and their Relation to Abilities
 * 449
 * China's Great Problem
 * 457
 * Modern Warfare Against Grasshoppers
 * 465
 * The Relation of Eugenics to Euthenics
 * 475
 * Negroes Who Owned Slaves
 * 483
 * The Administrative Peril in Education
 * 495
 * The Progress of Science
 * 517
 * colspan=2|
 * The Evolution of the Dollar Mark
 * 521
 * Practical Forestry Explained
 * 531
 * Insects as Agents in the Spread of Disease
 * 537
 * The Genesis of Individual and Social Surplus
 * 551
 * Rising Prices and the Public
 * 564
 * The Function of the American College
 * 574
 * Reforming the Calendar
 * 582
 * Basil Valentine: A Seventeenth-Century Hoax
 * 591
 * The Hindu-Arabic Numerals
 * 601
 * The Progress of Science
 * 615
 * Index
 * 621
 * }
 * Rising Prices and the Public
 * 564
 * The Function of the American College
 * 574
 * Reforming the Calendar
 * 582
 * Basil Valentine: A Seventeenth-Century Hoax
 * 591
 * The Hindu-Arabic Numerals
 * 601
 * The Progress of Science
 * 615
 * Index
 * 621
 * }
 * The Progress of Science
 * 615
 * Index
 * 621
 * }
 * 621
 * }
 * }