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|Story of a Salmon
|1
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|Physical Education V
|7
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|The Mineral Springs of Saratoga
|24
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|Action of Radiant Heat on Gaseous Matter
|33
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|Another World Down Here
|43
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|The Origin and Structure of Volcanic Cones II
|49
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|Eyes and School-Books
|54
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|Deep-Sea Investigation
|59
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|The Will-O'-The-Wisp and its Folk-Lore
|67
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|Cynicism Opposed to Progress
|78
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|Some Prehistoric Vessels
|80
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|The Horace Mann School for the Deaf
|84
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|Color-Blindness
|91
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|The Eucalyptus in the Roman Campagna
|94
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|Influence of the Post and Telegraph on International Relations
|101
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|Sketch of Edward D. Cope
|110
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|Editor's Table
|114
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|Literary Notices
|116
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|Popular Miscellany
|127
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|Notes
|143
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|Physical Education VI
|145
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|On Fruits and Seeds I
|156
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|Sunstroke and Some of its Sequels
|171
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|The Value of our Forests
|176
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|Production of Sound by Radiant Energy I
|186
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|The Development of Political Institutions VII
|197
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|Degeneration I
|218
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|The Primeval American Continent
|229
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|Natural Production of Alcohol
|238
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|The Modern Development of Faraday's Conception of Electricity
|242
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|Glucose and Grape-Sugar
|251
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|The Mental Effect of Earthquakes
|257
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|Sketch of Julius Adolph Stöckhardt
|261
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|Editor's Table
|265
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|Literary Notices
|269
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|Popular Miscellany
|275
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|Notes
|287
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|The Races of Mankind
|289
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|European Schools of Forestry
|311
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|Production of Sound by Radiant Energy II
|324
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|Physical Education VII
|334
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|The Development of Political Institutions VIII
|342
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|On Fruits and Seeds II
|354
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|How to Prevent Drowning
|369
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|Recent Advance in the Law of Intellectual Property
|372
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|Recent Advances in Electric Lighting
|378
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|Degeneration II
|382
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|The Phenomena of Death
|394
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|Union of the Telegraph and Postal Service
|400
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|Sketch of Dr. Charles T. Jackson
|404
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|Editor's Table
|408
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|Literary Notices
|412
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|Popular Miscellany
|422
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|Notes
|431
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|The Herring
|433
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|Physical Education VIII
|450
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|The Blood and its Circulation I
|460
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|The Teachings of Modern Spectroscopy
|468
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|Origin and History of Life Insurance I
|482
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|The Insufficient Use of Milk
|491
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|Intelligence of Ants I
|495
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|Lunar Lore and Portraiture
|511
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|The Visions of Sane Persons
|519
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|School-Room Ventilation
|531
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|Origin and Uses of Asphalt
|539
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|The Unit in Plant-Life
|543
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|The Electric Storage of Energy
|546
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|Sketch of Robert Wilhelm Bunsen
|550
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|Correspondence
|554
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|Editor's Table
|555
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|Literary Notices
|557
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|Popular Miscellany
|565
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|Notes
|575
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|The Development of Political Institutions IX
|577
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|Physical Education IX
|595
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|Ancient Copper-Mines of Isle Royale
|601
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|Writing Physiologically Considered
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