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|The Difficulties of Railroad Regulation
|1
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|An Economic Study of Mexico II
|11
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|Development of the Moral Faculty
|29
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|De Candolle on the Production of Men of Science
|34
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|The Problem of Crystallization
|46
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|The Factors of Organic Evolution II
|54
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|Food Accessories and Digestion
|63
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|Photographing the Heavens
|71
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|How Alcoholic Liquors are Made
|75
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|The Care of Pictures and Prints
|83
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|The Evolution of Language
|98
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|The Science of Flat-Fish, or Soles and Turbot
|107
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|Sketch of Francis Galton
|117
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|Correspondence
|122
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|Editor's Table
|125
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|Literary Notices
|127
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|Popular Miscellany
|135
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|Notes
|142
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|Evolution Bounded by Theology
|145
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|An Economic Study of Mexico III
|153
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|What May Animals Be Taught? |168 |- |Primitive Clocks |182 |- |The Factors of Organic Evolution III |192 |- |Ethnology of the Blackfoot Tribes |204 |- |Rafinesque |212 |- |Counting Unconsciously |221 |- |The Millennium of Madness |226 |- |The Principles of Domestic Fireplace Construction |230 |- |Scratching in the Animal Kingdom |245 |- |The Poisons in Spoiling Food |250 |- |Eels and their Young |254 |- |Sketch of George Engelmann, M.D. |260 |- |Editor's Table |266 |- |Literary Notices |269 |- |Popular Miscellany |279 |- |Notes |287 |- |colspan=2| |- |An Economic Study of Mexico IV |289 |- |Earthquakes and Other Seismic Movements |305 |- |An Experiment in Silk-Culture |317 |- |The Influence of Exercise Upon Health |322 |- |Transportation and the Federal Government |335 |- |Bohemian Glass |346 |- |Geological Climate in High Latitudes |352 |- |Animal and Plant Lore I |367 |- |The Origin and Structure of Meteorites |374 |- |The Care of the Brain |386 |- |Rustless Iron |393 |- |The Development of Minerals |397 |- |Sketch of Gerard Mercator |404 |- |Correspondence |411 |- |Editor's Table |412 |- |Literary Notices |415 |- |Popular Miscellany |425 |- |Notes |431 |- |colspan=2| |- |Woods and their Destructive Fungi I |433 |- |An Economic Study of Mexico V |444 |- |The Extension of Scientific Teaching |458 |- |A Canadian Chapter in Agrarian Agitation |462 |- |Genius and Precocity I |469 |- |The Progress of Psychical Research |482 |- |Causes of the Present Commercial Crisis |491 |- |The Physical Laboratory in Modern Education |504 |- |Mineral Springs of Eastern France |508 |- |Good Time and its Ascertainment |519 |- |Recent Progress in Chemistry |523 |- |The Prediction of Natural Phenomena |538 |- |Sketch of Oswald Heer |546 |- |Editor's Table |554 |- |Literary Notices |556 |- |Popular Miscellany |567 |- |Notes |574 |- |colspan=2| |- |Ex-President Porter on Evolution |577 |- |Genius and Precocity II |594 |- |Woods and their Destructive Fungi II |604 |- |In the Lion Country |617 |- |Some Outlines from the History of Education I |626 |- |Hereditary Diseases and Race-Culture |639 |- |Evolution in Architecture |642 |- |Indian Medicine |649 |- |The Antarctic Ocean |660 |- |Some Economics of Nature |666 |- |The Nature of Pleasure and Pain |681 |- |Sketch of Frederick Ward Putnam |693 |- |Editor's Table |698 |- |Literary Notices |700 |- |Popular Miscellany |710 |- |Notes |718 |- |colspan=2| |- |The Distribution of Wealth |721 |- |Meteorites, Meteors, and Shooting-Stars |733 |- |Some Outlines from the History of Education II |747 |- |The Microbes of Animal Diseases |761 |- |A Psychological Study of Fear |771 |- |Some Peculiar Habits of the Cray-Fish |784 |- |Le Play's Studies in Social Phenomena |787 |- |Universal Time |795 |- |A Bald and Toothless Future |803 |- |Life on a Coral Island |806 |- |Are Black and White Colors? |814 |- |The Philosophy of Diet |818 |- |German Paleontological Museums |827 |- |Nitrification |831 |- |Sketch of General John Newton |834 |- |Correspondence |841 |- |Editor's Table |842 |- |Literary Notices |845 |- |Popular Miscellany |856 |- |Notes |863 |- |Index |865 |- |}Popular Science Monthly Volume 29