Two, on mountains and the type of their formation.
Two, on the form of the earth's surface, on the connection of continents, and the elevation of soil over ravines.
Three, on the sea as a globular fluid surrounding the earth.
Ten, on the atmosphere as an elastic fluid surrounding the earth, and on the distribution of heat.
One, on the geographic distribution of organ ized matter in general.
Three, on the geography of plants.
Three, on the geography of animals, and
Two, on the races of men.
These lectures are what is known as the Cosmos, and present a scientific picture of the world—of infinite diversity in unity—of ceaseless motion in the eternal grasp of law.
These lectures contain the result of his investigation, observation, and experience; they furnish the connection between phenomena; they disclose some of the changes through which the earth has passed in the countless ages; the history of vegetation, animals and men, the effects of climate upon individuals and nations, the relation we sustain to other worlds, and demonstrate that all phenomena, whether insignificant or grand, exist in accordance with inexorable law.