aware. We are told that this gravel is clearly a river deposit, and
must have been laid down by the Delaware at some former time in its
history. It is in this gravel deposit that quite a large number of
Paleolithic implements have been found.

Illustration of Paleolithic Implement, Argillite.--------

This cut is a representation of one of them, found under such
circumstances that there can be no question about its antiquity. We are
told it was taken from the face of the bluff fronting the river. Owing
to heavy rains, a large section off of the front of the bluff became
detached just the day before this specimen was discovered. It was found
in the fresh surface thus exposed, twenty-one feet from the surface,
almost at the bottom of the gravel. Immediately above it, and in contact
with it, was a bowlder estimated to weigh over one hundred pounds.
Immediately above this last was a second and much larger bowlder. It is
manifest the implements could never have gotten in the place found after
the gravel had been deposited.<54>

This is only one of the many examples that could be given. But it is
to be noticed that implements of the Neolithic type do not occur in the
gravel, except on the surface. Dr. Abbott is not the only one who has
found those implements. Many of our best American scholars have visited
the locality and secured specimens, amongst others, Prof. Boyd Dawkins,
of England, who is so familiar with this class of relics in Europe.
We may consider it proven, then, that in this country there was also
a Paleolithic Age. Our present information in regard to it is only a
beginning.

Since this interesting discovery was made in New Jersey we have received
news of similar discoveries in Minnesota. A lady, Miss Frank Babbitt,
has found in the modified drift of the Mississippi River, at Little
Falls, Minnesota, evidence of the existence of Paleolithic man. The
implements are made of quartz, and not argillite, but closely resemble
implements made of this later material as described by Dr. Abbott. It
is, to say the least, an interesting coincidence that one of a very few
flint implements found in the Trenton gravel by Dr. Abbott should be
identical in shape with some of the flint implements in Minnesota.<55>

This point being determined, others at once spring up asking solution.
Among the very first is the question of age. The river terrace on which
Trenton is built is a geological formation, and if we can determine