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40 yards, there are semicircular mounds with radii of from o to 8 feet, joined to 

 the outer side of the wall. < )n the supposition that the wall was a rampart, these 

 semicircular projections from it were probably lookouts from which the guards 

 could easily flank the outer face of the yrall. It will be seen by reference to the 

 map that there is within the outer wall a similar inner one, which terminates in 

 Mound No. 2. There is evidence, though very slight, that this wall formerly ex- 

 tended from Mound No. 2 southward. It is possible that it marks the border of 

 the original inclosure which was afterward extended to the outer wall. 



The area included between the outer wall and the embankment nortii of the 

 present bayou is a little more than Wo acres. 



The most striking object among the collection is the large mound within the 

 inclosure. Its longest diameter is 500 feet. Its width varies from 17o feet to 225 

 feet. With reference to altitude it is divided into three parts. The southern 

 part, which is 160 feet long and which has been under cultivation for years, 

 varies in height from 6 to 9 feet. The east border of this part is somewiiat ob- 

 scured, from cultivation and erosion, but the south and west borders are distinct. 

 The second part of the mound rises about 17 feet above the first part, and is 26 

 feet above the base. The top is Hat and is 240 feet long by 112 feet wide, and has 

 been utilized until recently for an apple orchard. The third part is a dome 13 

 feet high and stands on the southeast corner of the second part. The base of this 

 dome is about 48 feet in diameter, and the highest point is 39 feet above the 

 ground on which the mound rests. If the trees along tlie Ohio River were re- 

 moved, the top of this dome would afforti a commanding view for several miles up 

 and down the river. 



I shall not even venture a conjecture as to the purpose of this remarkable 

 mound. 



Besides this, there are six other mounds within the inclosure, denoted by 

 Arabic numerals. These mounds are all circular at the base and have rounded 

 tops, except No. o, which is a truncated cone. It has a diameter of 160 feet and 

 is 10 feet high. Trees of walnut, oak and maple are growing upon it. The 

 largest tree is an oak, which is 2h feet in diameter. This mound has for a long 

 time been used by the people of the vicinity as a burying place. Mound No. 1 is 

 115 feet in diameter and 12 feet high; No. 2, 90 feet in diameter and 6 feet high; 

 No. 4, lOO feet in diameter and 5 feet high; Ni>. 5, 60^ feet in diameter and 4 feet 

 high; No. 6 is a small indistinct mound. 



All of the small mounds, except No. ."5, are being cultivated. 



In Mound No. 5, Mr. Charles F. Artes, of Evansville, reports having found 

 13 human skulls, 12 of which formed the circumference of a circle., the thirteenth 

 6 



