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|Liberal Education in the Nineteenth Century
|1
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|The Growth of Salmon
|27
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|Psychology of the Sexes
|30
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|The Ringed Planet
|39
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|The Phenomena of Heredity
|55
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|The Shovel-Nosed Shark
|65
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|Health and Comfort in House-Building
|69
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|Hypnotism in Animals II
|75
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|The Survival of Instincts
|88
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|The Primary Concepts of Modern Physical Science II
|92
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|Sketch of Mr. J. N. Lockyer, F.R.S. |109 |- |Editor's Table |111 |- |Literary Notices |116 |- |Miscellany |122 |- |Notes |127 |- |colspan=2| |- |Radicalism, Conservatism, and the Transition of Institutions |129 |- |Furs and their Wearers |143 |- |Correlation of Vital with Chemical and Physical Forces |156 |- |Heredity and Race-Improvement |170 |- |Haeckel's Moners |181 |- |A New Method with the Brain |183 |- |Mars, by the Latest Observations |187 |- |Tennyson and Botany |193 |- |Water Turned to Blood |202 |- |The Requirements of Scientific Education |208 |- |Preparations for the Coming Transit of Venus |212 |- |The Primary Concepts of Modern Physical Science III |219 |- |A Powder-Mill Explosion |231 |- |Sketch of J. D. Hooker, F.R.S., LL.D. |237 |- |Editor's Table |241 |- |Literary Notices |245 |- |Miscellany |250 |- |Notes |256 |- |colspan=2| |- |Concerning Serpents |257 |- |The Theory of Molecules |276 |- |Past and Future of a Constellation |291 |- |Replies to Criticisms I |295 |- |Quicker Than Lightning |309 |- |The Emotional Language of the Future |319 |- |Genesis, Geology, and Evolution |324 |- |Growth and Decay of Mind |328 |- |An Episode on Rats |344 |- |The Primary Concepts of Modern Physical Science IV |349 |- |Sketch of Dr. J. W. Draper |361 |- |Editor's Table |368 |- |Literary Notices |374 |- |Miscellany |378 |- |Notes |383 |- |colspan=2| |- |The Chromosphere and Solar Prominences |385 |- |Replies to Criticisms II |402 |- |Modern Optics and Painting I |415 |- |Sanitary Science and Public Instruction |421 |- |The Dissipation of Energy |430 |- |News from Jupiter |433 |- |The Spang Collection of Minerals |443 |- |A Freak of Nature |448 |- |Corundum |452 |- |Atmospheric Electricity and Ozone: Their Relation to Health and Disease |456 |- |The Great Cemetery in Colorado |470 |- |Science, Education, and Aristocracy |480 |- |Sketch of R. A. Proctor |486 |- |Correspondence |492 |- |Editor's Table |495 |- |Literary Notices |500 |- |Miscellany |507 |- |Notes |511 |- |colspan=2| |- |The World Before the Introduction of Life |513 |- |Walking, Swimming, and Flying |528 |- |Replies to the Quarterly Reviewers |541 |- |Physiology of the Passions I & II |552 |- |Our Ancestors on the Goose Question |565 |- |Alternations in the Intensity of Diseases |569 |- |Modern Optics and Painting II |572 |- |Electric Signaling on English Railroads |581 |- |The Facial Angle |587 |- |Disposal of the Dead |592 |- |The Future of Alchemy |602 |- |Professor Louis Agassiz |608 |- |Editor's Table |619 |- |Literary Notices |627 |- |Miscellany |631 |- |Notes |639 |- |colspan=2| |- |The Age of Ice |641 |- |The Pathology of the Passions III |656 |- |Images and Shadows |665 |- |Vivisection |672 |- |A Feather |686 |- |What the Chemistry of the Rocks Teaches |694 |- |United States Naval Observatory |704 |- |The Mantis, or Praying Insect |710 |- |Evolution and the Origin of Life |713 |- |On the Aesthetic Sense in Animals |729 |- |A Year of Geographical Work |735 |- |Sketch of Professor Huxley |739 |- |Correspondence |744 |- |Editor's Table |747 |- |Literary Notices |751 |- |Miscellany |758 |- |Notes |767 |- |Index |769 |- |}Popular Science Monthly Volume 4