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Page:Popular Science Monthly Volume 34.djvu/43

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33
PALEOLITHIC MAN IN AMERICA.

of the period; and this physical testimony is corroborated by the association of remains of extinct or boreal animals (mastodon, reindeer, bison, etc.) with the human relics. So definite, indeed, are the data, that the geography of the period may be depicted

PSM V34 D043 1887 stereogram of the head of delaware bay in late quaternary times.jpg
Fig. 6.—Stereogram of the Head of Delaware Bay in Late Quaternary Times

graphically. Fig. 5 is a bird's-eye sketch of the present head of Delaware Bay, based upon the admirable topographic surveys of New Jersey and upon personal studies, and represents with rea-