Popular Science Monthly/Volume 61


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 * The Electronic Theory of Electricity
 * 5
 * Sulfuric Acid and its Manufacture by the Contact-Process
 * 24
 * The Physical Basis of Heredity
 * 32
 * Children's Vocabularies
 * 45
 * Mescal: a Study of a Divine Plant
 * 52
 * Infectious Diseases
 * 72
 * The Physiological Effects of Electrically Charged Molecules
 * 76
 * An Afternoon at Chelles and the Earliest Evidences of Human Industry in France
 * 81
 * The Progress of Science
 * 89
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 * On the Definition of Some Modern Sciences
 * 99
 * The Commercial Value of Human Life
 * 120
 * Instinct
 * 126
 * Educational Value of Photomicrography
 * 143
 * Sugar and the Sugar Beet
 * 157
 * Peter Guthrie Tait
 * 163
 * Concerning the American University
 * 170
 * Scientific Literature
 * 183
 * The Progress of Science
 * 184
 * colspan=2|
 * Studies in the Natural History of the Sacramento Salmon
 * 195
 * A Modern Street
 * 212
 * Views of Dr Rizal, The Filipino Scholar, Upon Race Differences
 * 222
 * Gold Mining in Klondike
 * 230
 * A Study of Twentieth Century Success
 * 241
 * The Panama Route for a Ship Canal I
 * 252
 * Princeton in the Nation's Service
 * 269
 * The Antillean Volcanoes
 * 272
 * Scientific Literature
 * 282
 * The Progress of Science
 * 283
 * colspan=2|
 * The Problem of Consciousness in its Biological Aspects
 * 289
 * The Panama Route for a Ship Canal II
 * 304
 * Social Bacteria and Economic Microbes
 * 317
 * Marriage Among Eminent Men
 * 328
 * University-Building
 * 330
 * Some Observations on the Behavior of the Social Wasps
 * 339
 * Field Notes of a Geologist in Martinique and St. Vincent
 * 352
 * Mental and Moral Heredity in Royalty I
 * 369
 * Scientific Literature
 * 379
 * The Progress of Science
 * 380
 * colspan=2|
 * Areography
 * 385
 * University Control
 * 396
 * The World-View of a Scientist: Ernst Haeckel's Philosophy
 * 407
 * Eels and the Eel Question
 * 426
 * The Story of a Word - Mammal
 * 434
 * A Year of Weather and Trade in the United States
 * 439
 * Mental and Moral Heredity in Royalty II
 * 449
 * A New Theory of Light and Colours
 * 461
 * Discussion and Correspondence
 * 472
 * The Progress of Science
 * 473
 * colspan=2|
 * A Study in Plant Adaptation
 * 483
 * The American Origin of Agriculture
 * 492
 * Mental and Moral Heredity in Royalty III
 * 506
 * The Competition of the United States with the United Kingdom
 * 514
 * Scientific Heading in a Public Library
 * 524
 * An Ascent of Mt Orizaba
 * 528
 * Origin of the Fins of Fishes
 * 536
 * Domestic and Intercollegiate Athletics
 * 548
 * Recent Advances in Science, and their Bearing on Medicine and Surgery
 * 558
 * Discussion and Correspondence
 * 565
 * The Progress of Science
 * 567
 * Index
 * 573
 * }
 * Areography
 * 385
 * University Control
 * 396
 * The World-View of a Scientist: Ernst Haeckel's Philosophy
 * 407
 * Eels and the Eel Question
 * 426
 * The Story of a Word - Mammal
 * 434
 * A Year of Weather and Trade in the United States
 * 439
 * Mental and Moral Heredity in Royalty II
 * 449
 * A New Theory of Light and Colours
 * 461
 * Discussion and Correspondence
 * 472
 * The Progress of Science
 * 473
 * colspan=2|
 * A Study in Plant Adaptation
 * 483
 * The American Origin of Agriculture
 * 492
 * Mental and Moral Heredity in Royalty III
 * 506
 * The Competition of the United States with the United Kingdom
 * 514
 * Scientific Heading in a Public Library
 * 524
 * An Ascent of Mt Orizaba
 * 528
 * Origin of the Fins of Fishes
 * 536
 * Domestic and Intercollegiate Athletics
 * 548
 * Recent Advances in Science, and their Bearing on Medicine and Surgery
 * 558
 * Discussion and Correspondence
 * 565
 * The Progress of Science
 * 567
 * Index
 * 573
 * }
 * An Ascent of Mt Orizaba
 * 528
 * Origin of the Fins of Fishes
 * 536
 * Domestic and Intercollegiate Athletics
 * 548
 * Recent Advances in Science, and their Bearing on Medicine and Surgery
 * 558
 * Discussion and Correspondence
 * 565
 * The Progress of Science
 * 567
 * Index
 * 573
 * }
 * The Progress of Science
 * 567
 * Index
 * 573
 * }
 * 573
 * }
 * }