...Foreign Countries ; arranged according to their geological distribution and mineral character. Rotch. Sounding the Ocean of Air : the exploration of the...Species : two essays. (4) Classify by both schemes : — Tyndall.s Form of Water in Clouds and Rivers, Ice and Glaciers. Woodward. Geology of Water Supply....

...cuts to scientific conclusions. After a short historical introduction the book deals successively with the exploration of the upper air by means of clouds, balloons and kites. Each section gives a brief account of the earlier experiments, before treating of the recent results....