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|Society and Organism
|1
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|Hammers and Percussion
|11
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|Prepossessions for and Against the Super-Natural
|21
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|Lessons in Electricity II
|30
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|Recent Geographical Progress
|37
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|The Mollusks of the Rocky Mountains
|43
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|Character and Work of Liebig
|49
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|Caroline Lucretia Herschel II
|58
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|Awards at the International Exhibition
|69
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|Recent Advances in Telegraphy
|71
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|Conscience in Animals
|80
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|Air-Germs and Spontaneous Generation
|91
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|Sketch of Dr. Austin Flint Jr. |103 |- |Editor's Table |106 |- |Literary Notices |112 |- |Miscellany |117 |- |Notes |126 |- |colspan=2| |- |Lingual Development in Babyhood |129 |- |Natural Trumpet of the Crane |137 |- |Petroleum |140 |- |Lessons in Electricity III |157 |- |Hints for the Sick-Room |173 |- |The Polar Glaciers II |178 |- |Axes and Hatchets, Ancient and Modern |186 |- |Subterranean Streams in South Carolina |197 |- |Mathematics in Evolution |202 |- |Experiments on Hypnotism |211 |- |Organisms and their Media |215 |- |Science and the Logicians |224 |- |Sketch of Benjamin Thompson (Count Rumford) |231 |- |Correspondence |239 |- |Editor's Table |241 |- |Literary Notices |245 |- |Miscellany |250 |- |Notes |255 |- |colspan=2| |- |The Mechanical Action of Light |258 |- |The Causes of the Cold of the Ice Period |280 |- |A Fitting Recognition of American Science |290 |- |Blasius's Theory of Storms |294 |- |Ordeals and Oaths |307 |- |The Chromis Pater-Familias |322 |- |Bigotry in Scientific Controversy |324 |- |Lessons in Electricity IV |331 |- |Certain Phases of Bird-Life |343 |- |Of the Uncertainty and Vanity of the Sciences |351 |- |Animal Powers of Offense and Defense |355 |- |Sketch of Alexander Bain |360 |- |Correspondence |362 |- |Editor's Table |364 |- |Literary Notices |369 |- |Miscellany |377 |- |Notes |383 |- |colspan=2| |- |Voice in Man and in Animals I |385 |- |Our Common Moulds |398 |- |What are Species? |409 |- |Malaria |416 |- |Rock-Structure |426 |- |The Apotheosis of Steam |430 |- |On the Backwardness of the Ancients in Natural Science |438 |- |The Spontaneous-Generation Controversy |448 |- |Science in the Argentine Republic |463 |- |American Colleges Versus American Science |467 |- |Social Experiments in Utah |479 |- |Sketch of Prof. J. S. Newberry, M.D., LL.D. |490 |- |Correspondence |493 |- |Editor's Table |494 |- |Literary Notices |500 |- |Miscellany |506 |- |Notes |511 |- |colspan=2| |- |Voice in Man and in Animals II |513 |- |What are Bats? |523 |- |On the Formation of Lakes |539 |- |Amphibious Fishes |546 |- |Industrial Applications of Solar Heat |550 |- |The Revived Theory of Phlogiston |560 |- |Myriapods |570 |- |Soap-Bubbles |575 |- |The Evolution of Hebrew Religion |589 |- |Present Status of Social Science: Reply to a Critic |602 |- |Sketch of Prof. William B. Rogers |606 |- |Correspondence |612 |- |Editor's Table |615 |- |Literary Notices |622 |- |Miscellany |630 |- |Notes |639 |- |colspan=2| |- |The Constants of Color |641 |- |Modern Philosophers on the Probable Age of the World |649 |- |The Local Distribution of Plants and the Theory of Adaptation |676 |- |Observing the Interior of the Eye |684 |- |Science and Religion as Allies |690 |- |Nature of the Invertebrate Brain I |702 |- |Modern Scientific Geography |713 |- |Predatory and Industrial Societies |718 |- |Organized Homesteads and Households |733 |- |Relations of Hospitals to Pauperism |738 |- |George Henry Lewes |743 |- |Correspondence |747 |- |Editor's Table |751 |- |Literary Notices |758 |- |Miscellany |763 |- |Notes |767 |- |Index |769 |- |}Popular Science Monthly Volume 9