Aboriginal America
Aboriginal America
American History, vol. 1
Free DownloadIt is the design of this work to narrate, in a clear, simple, and intelligible manner, the leading events connected with the history of our country, from the earliest periods, down, as nearly as practicable, to the present time. The several volumes will be illustrated with all necessary maps and with numerous engravings, and the work is intended to comprise, in a distinct and connected narrative, all that it is essential for the general reader to understand in respect to the subject of it, while for those who have time for more extended studies, it may serve as an introduction to other and more copious sources of information.
Book Excerpt
nd by naturalists to be identical with a species of the dog existing in Asia at the present day.
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Evidence of Fossil Remains
But we have still more conclusive evidence than this derived from ancient monuments of the very great permanence of the characteristics by which different species of plants and animals are distinguished from each other, in the fossil remains which exist in the strata of the earth. By means of these our observations upon the forms of vegetable and animal life which have existed upon our globe may be carried back to an immense antiquity, and extended over so vast a number and variety of species as to furnish us, as it has always been supposed, with all the means of information on this subject that can be desired. It has been thought to be fully proved by these observations that every species which exists upon the earth remains unchanged so long as it exists. When at length its period has expired, it disappears from the field, while new ones are continually arising
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