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The Distribution of Gaseous Matter

Throughout Interstellar or Cosmic Space

By Theodore William Schaeffer

French Academy Prizes

The Position of the Abundant Elements in the Periodic System

By John Waddell

The Salt-Wells of Tzuliutsing

An Ancient Industry of China With Many Unique Features

By H. K. Richardson

A Micrometer Limit Gage Attachment

Wonderful if True

The Testing of Automobile Motors

Methods of Automobile Motors

By Ferdinand Jehle

Cumin—A Crop Valuable for the small Diversified Farm

The New York Barge Canal

Its Relation to Other Waterways and Outlying Territory

The Flying Service, from a Medical Point of View

By Hardy V. Wells

A Vortex Hypothesis of World Formation

An Examination and Explanation of the Theories of Belot

By E. Briner

Æolian Tones

Some Modern Conceptions of Spontaneous Generation

The Nature of the Bridge That Spans the Gap from the Inorganic to the Living

By Guilford B. Reed

The Analysis of Living Matter

Through Its Reactions to Poisons

By A. R. Cushny


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