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|The Development of a New Method of Research
|5
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|The College of the West
|27
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|A Question of Preference in English Spelling
|38
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|Alumna's Children
|45
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|On the Study of Physics
|52
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|English Herbals
|65
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|The Geology and Geo-Botany of Asia
|68
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|The Royal Prussian Academy of Science and the Fine Arts: Berlin III
|74
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|The Progress of Science
|86
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|The Total Solar Eclipse of August 30 1905
|97
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|Copernicus
|109
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|On the Significance of Characteristic Curves of Composition
|132
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|The Physiographic Control of the Chattanooga Campaigns of the Civil War
|148
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|The Value of Teeth as a Means of Identification
|161
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|Immigration
|164
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|The Royal Prussian Academy of Science and the Fine Arts: Berlin IV
|170
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|The Progress of Science
|182
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|A Visit to the Japanese Zoological Station at Misaki
|195
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|Hugo de Vries's Theory of Mutations
|205
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|The Immigrant, Past and Present
|224
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|Why Is the Human Ear Immobile? |228 |- |Some Eighteenth Century Evolutionists I |238 |- |Salt |252 |- |Walter Reed |262 |- |The Royal Prussian Academy of Science and the Fine Arts: Berlin V |269 |- |Shorter Articles and Discussion |279 |- |The Progress of Science |282 |- |colspan=2| |- |The Conflict of Religion and Science |287 |- |The Great White Plague |298 |- |The Discovery of the Native Home of the San Jose Scale in Eastern China and the Importation of its Natural Enemy |306 |- |Saving the Mississippi's Source |318 |- |Some Eighteenth Century Evolutionists II |323 |- |Italian and Other Latin Immigrants |341 |- |Three Decades of College Women |350 |- |Dextrality and Sinistrality |360 |- |The Lakes of New Zealand |370 |- |Shorter Articles and Discussion |373 |- |The Progress of Science |379 |- |colspan=2| |- |The Development of the Theory of Electrolytic Dissociation |385 |- |Conservation of Human Energy, Preservation of Beauty |397 |- |Art in Industry |414 |- |Some Plants Which Entrap Insects |417 |- |Hebrew, Magyar and Levantine Immigration |432 |- |More Men in Public Schools |443 |- |A Second Century Criticism of Virgil's Etna |452 |- |The Evolution of the Human Hand |457 |- |The Coming International Congress of Arts and Science at St Louis on September 19-24 |466 |- |The Progress of Science |475 |- |colspan=2| |- |A Traveler's View of the British Association Meeting |483 |- |Reflections Suggested by the New Theory of Matter |495 |- |The Mathematical Physics of the Nineteenth Century |507 |- |Heredity and Evolution |522 |- |On the Perception of the Force of Gravity by Plants |532 |- |The Ethnological Work of Lane Fox |537 |- |On Mountains and Mankind |543 |- |Correlation of Reflexes and the Principle of the Common Path |549 |- |Invention and Discovery |553 |- |The Progress of Science |560 |- |Index |573 |- |}Popular Science Monthly Volume 65