Popular Science Monthly/Volume 67

Table of Contents
May 1905
Present Problems in Radioactivity 5
The Harvard Medical School 35
Alpheus Spring Packard 43
Organization in Scientific Research 49
The Origin of Species Through Selection Contrasted with their Origin Through the Appearance of Definite Variations 54
Galileo III 66
The Cultivation of Tobacco in the Philippines 76
Life in a Seaside Summer School 80
The Progress of Science 90
June 1905
Von Baer and the Rise of Embryology 97
Galileo IV 127
The Teaching of Logic 143
The Mutations of Lycopersicum 151
Biology in the Rocky Mountains 162
What Is Research? 170
Plants That Hide from Animals 178
The Progress of Science 184
July 1905
Recent Discoveries in Heredity and their Bearing on Animal Breeding 193
Present Monetary Problems 209
The Vegetable Fibers of the Philippine Islands 222
The Climate of the Central American Plateau 231
The Science Problems of the Twentieth Century 237
Human and Other Forms of Consciousness 252
The Preparation and Properties of Colloidal Mixtures 268
The Progress of Science 281
August 1905
An Eclipse Observer's Experiences in Sumatra 289
Public Interest in Research 306
The Value of Old Age 313
A Suggestive Case of Nerve-Anastomosis 319
A Visit to Luther Burbank 329
Some Phases of the Educational Problems in China 348
The Social Phase of Agricultural Education 353
Education for Efficiency 363
Address of President Roosevelt Before the National Educational Association 372
September 1905
China's Renaissance 387
The Science of Plant Pathology 399
Sleep and its Regulation 409
State University Salaries 423
Nature and Man 435
General Education for Engineers 442
Quackery 447
How Canada Is Solving her Transportation Problem 455
The Ancestors of the Big Trees 465
The Progress of Science 475
October 1905
The Lapses of Consciousness 481
Fake Weather Forecasts 503
The College of the White Deer Grotto 515
Unconscious Assumptions in Economics 528
The Distribution of the Daily Time of Cornell Students 538
Greek Ideas of Vulcanism 555
Western Explorations for Fossil Vertebrates 561
The Progress of Science 569
November 1905
The Botanical Garden at Buitenzorg, Java 579
Hypnotism, its History, Nature and Use 590
Physicians and Philosophers 608
Soil Fertility 622
Some of the Localities in France and England Where Monuments of the Late Stone and Bronze Ages Have Been Found 626
The Value of Non-Euclidean Geometry 639
University Education and National Life 647
The Cattle Problem of Archimedes 660
The Progress of Science 667
December 1905
Fresh-Water Springs in the Ocean 673
Economy in Irrigation 684
Mining and Use of Metals by the Ancient Egyptians 687
Anaximander, Earliest Precursor of Darwin 701
The Philosophy of Friedrich Nietzsche 707
The Study of Locality 728
The Cause, Nature and Consequences of Eyestrain 736
The Status of American College Professors Once More 748
The Progress of Science 755
Index 765