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little more than a hundred feet from this begins the largest 
of the heaps, which measures about nine hundred feet in 
length on the river side, and has a breadth varying from | 
one hundred to one hundred and fifty feet. It has been 
largely undermined, and sections, in some places from three 
to four feet in thickness, exposed. It is not improbable 
that originally this and the smaller deposits were continuous, 
the intervening portion having been washed away by the 
river. If this were so, the mound could not have been less 
than twelve hundred feet in length. It is intersected by a 
small stream near the centre, and is bordered by another 
at its easterly end, both outlets of small morasses in the rear 
of the mound. 
That the Indians confined their encampments, or, at all 
events their cooking, almost entirely to these mounds, is 
proved by the fact, that fragments of pots were picked up 
in large numbers along the shore wherever the shells are 
seen in the bank, and, though careful search was made for 
them, not elsewhere. To make the evidence of the human 
origin of the whole deposit complete, pits were sunk at dif- 
ferent points. One of these, about four feet in diameter, 
was dug entirely through the shells into the sand beneath, 
which was reached at the depth of four feet and three inches. 
Seventy-five fragments of pots and six pieces of the bones of 
the deer, thirteen of turtles, and two of the alligator were 
thrown out. These were scattered through the whole thick- 
ness of the shell deposit, but not a single specimen was 
found after the sand was reached. Ina second pit of simi- 
ar size, ninety-seven pieces of pots, six fragments of the 
bones of the deer, eleven of the turtle, and nine of the alli- 
gator were found. The shells found here are chiefly Palu- 
dinas, though Unios and Ampullarias are met with. ! 
Old Enterprise is situated on the north-eastern shore A 
Ke Monroe, and forms a distinct bluff consisting entirely 
of shells. It has a front of about one hundred and sixty 
feet on the water side, and at the western end rises some- 



