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|The Sins of Legislators I
|1
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|The Beaver and his Works
|14
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|The Progress of the Working-Classes in the Last Half-Century
|22
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|An Experiment in Prohibition
|47
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|The Milk in the Cocoa-Nut
|50
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|Longevity in Astronomers
|60
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|The Chemistry of Cookery XII
|62
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|How Flies Hang on
|68
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|Where Did Life Begin? |73 |- |Christian Agnosticism |78 |- |The Beginnings of Metallurgy |86 |- |Our New Skin and Cancer Hospital |94 |- |The Morality of Happiness V |103 |- |Was He an Idiot? |110 |- |Sketch of Mary Somerville |113 |- |Correspondence |121 |- |Editor's Table |123 |- |Literary Notices |130 |- |Popular Miscellany |138 |- |Notes |143 |- |colspan=2| |- |The Sins of Legislators II |145 |- |Modes of Reproduction in Plants |159 |- |Evolution and Dissolution of the Nervous System |171 |- |The Pole and Wire Evil |181 |- |Stethoscopy |189 |- |Coal and the Coal-Tar Colors |191 |- |The Chemistry of Cookery XIII |212 |- |Ensilage and Fermentation |219 |- |Geography and the Railroads |230 |- |The Life-Work of Pasteur |235 |- |Clean Drinking-Water |244 |- |Physiology versus Metaphysics |249 |- |Professor Dvorak's Sound-Mills |258 |- |Arnold Henry Guyot |261 |- |Editor's Table |266 |- |Literary Notices |269 |- |Popular Miscellany |277 |- |Notes |286 |- |colspan=2| |- |The Great Political Superstition |289 |- |Colorado for Invalids |313 |- |The New Theology |320 |- |Our Debt to Insects |332 |- |The Fruits of Manual Training |347 |- |Are Science and Art Antagonistic? |357 |- |The Volcanic Eruption of Krakatau |365 |- |The Prevention of Hydrophobia |376 |- |The Morality of Happiness VI |378 |- |Diseases of Plants |385 |- |Adaptation to Climate |396 |- |Glasgow's Bandy-Legged Children |400 |- |Sketch of Averroes (Ibn Rushd) |405 |- |Editor's Table |410 |- |Literary Notices |414 |- |Popular Miscellany |425 |- |Notes |431 |- |colspan=2| |- |Hickory-Nuts and Butternuts |433 |- |The Ghost of Religion |440 |- |Retrogressive Religion |451 |- |Some Rambles of a Naturalist |474 |- |Scientific Philanthropy |481 |- |The World's Geyser-Regions |494 |- |Reparation to Innocent Convicts |508 |- |The Chemistry of Cookery XIV |514 |- |My Monkeys |522 |- |The Salt-Deposits of Western New York |530 |- |The Morality of Happiness VII |537 |- |The Mystic Properties of Numbers |543 |- |Sketch of Professor Felipe Poey |547 |- |Editor's Table |553 |- |Literary Notices |556 |- |Popular Miscellany |565 |- |Notes |575 |- |colspan=2| |- |Scientific Culture |577 |- |The Upper Missouri River System |594 |- |Aims of the Study of Anthropology |605 |- |Where and How We Remember |609 |- |The Astronomy of Primitive Peoples |620 |- |Sorghum as a Source of Sugar |627 |- |The Chemistry of Cookery XV |636 |- |Hygiene For Smokers |643 |- |How the Dodder Became a Parasite |647 |- |Sun-Kinks |652 |- |National Health and Work |653 |- |The Morality of Happiness VIII |663 |- |The Problem of Population |671 |- |Protection Against Lightning I |678 |- |Chinese Coroners' Inquests |690 |- |Sketch of Professor J. P. Lesley |693 |- |Correspondence |696 |- |Editor's Table |698 |- |Literary Notices |704 |- |Popular Miscellany |713 |- |Notes |719 |- |colspan=2| |- |The Significance of Human Anomalies |721 |- |Measurement of Character |732 |- |The Recent Progress of Physical Science |739 |- |Man's Right Over Animals |759 |- |Fetichism of the Bantu Negroes |767 |- |Further Remarks on the Greek Question |772 |- |The Chemistry of Cookery XVI |778 |- |The Origin of Cultivated Plants |784 |- |Wages, Capital and Rich Men |788 |- |Du Motay's Process of Ice-Making |796 |- |The Physiological Aspect of Mesmerism |800 |- |Protection Against Lightning II |810 |- |The Morality of Happiness IX |825 |- |The Cholera-Germ |829 |- |Curious Funeral Ceremonies |831 |- |Sketch of Lord Rayleigh |840 |- |Editor's Table |843 |- |Literary Notices |845 |- |Popular Miscellany |855 |- |Notes |863 |- |Index |865 |- |}