42 



GEOLOGY OF OHIO. 



dimensions, although nearly all of them have recently been very carefully 

 surveyed. There are some with a striking approach to regularity; but 

 none that cannot be laid out with sight-stakes and a rope of sufficient 

 length to reach across them. 



Nevertheless, with this assumed mathematical ability as a starting 

 point, aided by the equally assumed perfection of mechanical skill neces- 

 sary for the fabrication of their various objects of utility or ornament, 

 and further reinforced by similar evidence from remains in other parts of 

 the country, there has-been evolved in the minds of some authors a wide- 

 spread, highly civilized nation with a wonderfully developed government; 

 — monarchy, oligarchy, aristocracy, hierarchy, or whatever strikes the 

 writer's fancy. 



" Many of these errors have been incidentally referred to in the course 

 of this paper. One other must be mentioned. 



In Plate IV, the smaller enclosure is represented as a perfect circle 

 800 feet in diameter. Figure 3 shows its actual shape — an elliptical 



Plate IV. Archeology. Geology of Ohio. Vol. VII 



liberty Township Works. 



