8o DAVENPORT ACADEMY OF NATURAL SCIENCES. 



Floyd County — Continued. 



is excavated through soil down to the hmestone; through the 

 centre of the grave, running lengthwise from bottom to top, is a 

 line of limestone slabs set edgewise ; these 

 slabs are from 2 to 3 inches thick; the 

 lowest foot of depth in the graves was filled 

 with fragments of limestone; the rest was 

 filled with slabs of limestone set obliquely 

 with the higher edge against the central 

 partition ; the upper slabs were so heavy 

 as to require a man's full strength in their 



*' i_^_.:=-i_. ^ removal. There were no remains and 



Fig. 14. no relics (Fig. 14). 



Hamilton County. 



Aldrich ' reports that in 1857 or 1858 an excavation at Web- 

 ster City revealed, at two feet depth, a heap of human bones 

 representing at least twenty-six persons ; one skull was very large 



and thick; round beads of soft stone were also found. On 



a knoll in the south-east part of the town three skeletons were 



found at a depth of thirty inches. North of the town plat 



are five undisturbed mounds. They are located on a bluff some 

 forty feet above the Boone River, and extend in a north-east and 

 south-west line; the earth for the mounds was taken from north 



of the groui).- A mile from the town there has been found 



a polished stone tablet, about 2)^ inches square and y^ inch 

 thick ; drilled with two holes on oppo.site sides. 



A mound north-west of Cairo Lake is reported by Bonney.^74 



Hardin County. 



A stone carving representing a human head is said to have 

 come from a well excavation in this county ; 3/ the depth reported 

 is thirty-nine feet. 



Henry County. 



It is said '5 that there are many mounds in the county ; Mans- 

 field '^^- mentions some near Mount Pleasant. 



Banta and Garretson ^5 investigated a group of nine mounds 

 at the Snake Den, three miles west of Salem. They report as 

 follows : 



{(I) Twenty feet in diameter, 8 feet high ; no remains. 



