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The Problem of Adaptation as Illustrated by the fur Seals of the Pribilof Islands

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 1-6

The Large Fruited American Oaks

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 7-11

The Swedes, Governor Printz and the Beginning of Pennsylvania

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 12-13

General Results of the Work in Atmospheric Electricity Aboard the Carnegie, 1909-1914

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 14-17

The Rights and Duties of Neutralized Territory

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 18-26

The Pronouns and Verbs of Sumerian

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 27-46

The Hall and Corbino Effects

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 47-51

Some Results from the Observation of Eclipsing Variables

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 52-57

Some Present Needs in Systematic Botany

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 58-65

The Variable Stars TV, TW, TX Cassiopeiæ and T Leonis Minoris

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 66-69

An Interpretation of Sterility in Certain Plants

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 70-72

Additions to the Fauna of the Lower Pliocene Snake Creek Beds (Results of the Princeton University 1914 Expedition to Nebraska)

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 73-95

Explorations over the Vibrating Surfaces of Telephonic Diaphragms under Simple Impressed Tones

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 96-136

The Ruling and Performance of a Ten Inch Diffraction Grating

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 137-142

The Constitution of the Hereditary Material

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 143-153

Spontaneous Generation of Heat in Recently Hardened Steel

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 154-164

Relationships of the White Oaks of Eastern North America, with an Introductory Sketch of Their Phylogenetic History

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 165-175

A New Form of Nephelometer

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 176-184

The Rôle of the Glacial Anticyclone in the Air Circulation of the Globe

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 185-225

The Test of a Pure Species of Œnothera

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 226-245

Concretions in Streams Formed by the Agency of Blue Green Algæ and Related Plants

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 246-258

The Conditions of Black Shale Deposition as Illustrated by the Kupferschiefer and Lias of Germany

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 259-269

On the Rate of Evaporation of Ether from Oils and Its Application in Oil-Ether Colonic Anesthesia

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 270-278

The Interior of the Earth from the Viewpoint of Geology

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 219, pages 279-289

Morphology and Development of Agaricus Rodmani

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 219, pages 309-343

The Euler-Laplace Theorem on the Decrease of the Eccentricity of the Orbits of the Heavenly Bodies under the Secular Action of a Resisting Medium

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 219, pages 344-350

Variations of Latitude: Their Bearing upon Our Knowledge of the Interior of the Earth

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 220, pages 351-358

A Practical Rational Alphabet

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 220, pages 359-370

The Cambrian Manganese Deposits of Conception and Trinity Bays, Newfoundland

Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 220, pages 371-456