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|The Natural versus the Supernatural
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|Present Status of the Greek Question
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|The Sun's Heat
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|Creation or Evolution? |29 |- |Megalithic Monuments in Spain and Portugal |39 |- |Social Sustenance I |45 |- |Origin of Comets and Meteors |50 |- |Influence of Snow-Masses on Climate |60 |- |Hygiene as a Basis of Morals |67 |- |Mexican Antiquities |79 |- |Prairie-Flowers of Early Spring |84 |- |Hats as a Cause of Baldness |97 |- |Among the Transylvanian Saxons I |100 |- |William Babcock Hazen |112 |- |Sketch of James Fergusson |118 |- |Correspondence |123 |- |Editor's Table |124 |- |Literary Notices |128 |- |Popular Miscellany |136 |- |Notes |143 |- |colspan=2| |- |Are Railroads Public Enemies? II |145 |- |Some Human Instincts I |160 |- |Theology Under its Changed Conditions |171 |- |Astronomy with an Opera-Glass II |187 |- |Science and Pseudo-Science |207 |- |Gofio: Food and Physique |224 |- |Social Sustenance II |228 |- |Industrial Education and Railway Service |233 |- |Grains of Sand |247 |- |Appearance and Reality in Pictures |249 |- |Among the Transylvanian Saxons II |254 |- |Sketch of Jules Jamin |262 |- |Correspondence |265 |- |Editor's Table |269 |- |Literary Notices |273 |- |Popular Miscellany |281 |- |Notes |287 |- |colspan=2| |- |The Economic Disturbances Since 1873 I |289 |- |The Task of American Botanists |305 |- |Variations in Human Stature |314 |- |The Panama Canal |323 |- |The North American Lakes |333 |- |Lawsuit or Legacy |339 |- |Among the Thousand Islands |346 |- |Human Brain-Weights |355 |- |Earthquakes |359 |- |New Chapters in the Warfare of Science: Physical Sciences II |373 |- |Mental Differences of Men and Women |383 |- |Modern Over-Education |401 |- |Sketch of Isaac Lea |404 |- |Editor's Table |412 |- |Literary Notices |415 |- |Popular Miscellany |423 |- |Notes |431 |- |colspan=2| |- |The Economic Disturbances Since 1873 II |433 |- |New Chapters in the Warfare of Science: Physical Sciences III |452 |- |The Falls of the Mississippi |474 |- |Astronomy with an Opera-Glass III |478 |- |Manual Training in School Education |493 |- |The Progress of Science from 1836 to 1886 |503 |- |The Metal Art of Ancient Mexico |519 |- |Changes in the Aspect of Mars |532 |- |Educational Endowments |535 |- |Sketch of Paul Gervais |550 |- |Correspondence |554 |- |Editor's Table |559 |- |Literary Notices |563 |- |Popular Miscellany |570 |- |Notes |575 |- |colspan=2| |- |The Economic Disturbances Since 1873 III |577 |- |Sleep and its Counterfeits |597 |- |Industrial Training Two Centuries Ago |608 |- |Social Sustenance III |612 |- |Ethnological Sketches in Annam and Tonquin |626 |- |Cork, its Manufacture and Properties |635 |- |A Botanical Bonanza |653 |- |Speeches at the Recent Tyndall Banquet |654 |- |Some Human Instincts II |666 |- |Physiology of Freezing |681 |- |Sketch of J. J. Audubon |687 |- |Correspondence |698 |- |Editor's Table |701 |- |Literary Notices |705 |- |Popular Miscellany |713 |- |Notes |719 |- |colspan=2| |- |What Is Evolution? |721 |- |Social Sustenance IV |735 |- |The Oldest Noble of Them All |743 |- |Strange Medicines |750 |- |The Economic Disturbances Since 1873 IV |768 |- |Color-Blindness Among Railroad Employees |794 |- |The Savagery of Boyhood |796 |- |Fetich-Faith in Western Africa |801 |-| |What American Zoologists Have Done for Evolution: 1887 Speech I |804 |- |The Language of the Emotions |814 |- |The Theory of Tittlebats |825 |- |Sketch of Karl Wilhelm Scheele |839 |- |Correspondence |845 |- |Editor's Table |847 |- |Literary Notices |849 |- |Popular Miscellany |858 |- |Notes |863 |- |Index |865 |- |}Popular Science Monthly Volume 31