Ridpath's history of the world; being an account of the ethnic origin, primitive estate, early migrations, social conditions and present promise of the principal families of men .. . vels,erse the continent at the present timeoccurred; but such is the history of thechange which has taken place. In nosingle instance has one of the prehistoricmounds of our country been discoveredon the lower terraces formed by the are found in many places on thehigher plateaus and on uplands roundabout, but never on the present or recentlevels of an existing stream. From thisit has been clearly inferr
Ridpath's history of the world; being an account of the ethnic origin, primitive estate, early migrations, social conditions and present promise of the principal families of men .. . vels,erse the continent at the present timeoccurred; but such is the history of thechange which has taken place. In nosingle instance has one of the prehistoricmounds of our country been discoveredon the lower terraces formed by the are found in many places on thehigher plateaus and on uplands roundabout, but never on the present or recentlevels of an existing stream. From thisit has been clearly inferred that the mon- 348 GREAT RACES OE MANKIND. Utnents in question were built before therecession of the rivers into their presentchannels; and it can hardly be doubtedthat the races who flourished in thatprimeval age looked down from a hu-mid atmosphere on a world aboundingin turbid waters. The frequency of the American tu-muli has already been remarked. They General mystery abound. Ill all parts of SednbTtheteX- the Mississippi valley themounds. outlines of earthworks and burial mounds may be discovered. 55 „r„IP ^-i^^i^^-i * SCALE. •??>l/1i|lmilTuu^M^>h<,^. EARTHWORKS AT CEDAR BANK, OHIO. Their numbers reach easily into thou-sands, and their importance was such longago as to constitute the subject-matterof the first volume of the SmithsonianContributions to Knowledge. They havedemanded the attention of scholars andantiquaries during a great part of thepresent century. Though vast stores ofinformation have been gathered fromtheir exploration, the mystery of theirultimate origin and design remains asimpenetrable as when they first drewthe attention of the pioneers. In some localities the mounds and tu- muli are much more frequent and im-portant than in others. In general, theupper terraces along the great streamswhich contribute to the Father ofWaters are the sites of the most strikingand instructive of these beyond the limits of our own coun-try, in
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Keywords: ., bookcentury1800, bookdecade1890, booksub, booksubjectworldhistory
