450 



MOUND EXPLORATIONS. 



liue of the ditch and added to the south side of the embankment. The 

 rounded outer corners of the embankment are 20 feet Avithiu the points 

 where the margins of the wall would intersect if carried on straight. 

 The corners of the inner sides of the ditch are about 10 feet withiu their 

 corresponding points. The passageway on the eastern side is 15 feet 

 wide. In all these inclosures the iiassage way is simply the natural sur- 

 face of the ground between the ends of the ditch and wall ; that i.s to 



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say, it is not graded. On the level space inclosed by the ditch, 100 feet 

 from the top of the east line of embankment, is a mound (a) i feet high 

 and 35 feet in diameter. On the top were numerous flat stones, which 

 it is said had formed graves inclosing skeletons of very large size, but 

 nothing could be learned as to the manner in which they were buried. 

 Another stone grave (6), 8 feet in diameter, on the edge or bottom of 

 this mound on its western side, had been opened, and so torn up that 



