Drawings, illustrations, and field sketches play an important role in Earth Science since they are used to record field observations, develop interpretations, and communicate results in reports and ...

I. America the old world.--II. The Silurian beach.--III. The fern forests of the Carboniferous period.--IV. Mountains and their origin.--V. The growth of continents.--VI. The geological middle ...

THE main portion of this volume is occupied by a sketch of the geological history of the earth; and had Prof. Winchell confined himself within strictly scientific limits, the book would have been one ...

THE condition of Europe outside the reach of history and the changes by which it has come to be what it is, the appearance of man and his progress in culture, combine to form a subject which cannot, ...