596 ANTHROPOLOGICAl. PAPERS. 



human remains. He also reports the tinding of several barued drift 

 bowlderettes in some of the mounds. 



Mound No. 11 was partially explored by the writer by making a trench 

 2 feet wide and 2^ feet deep through it from north to south. Nothing 

 was found save an arrow point, a few flint chippings, and several bowl- 

 derettes of drift origia, probably placed here by human hands. Ko evi- 

 dence of fire was noticed. 



Mound No. 6 is of peculiar form, and for what purpose it was origi- 

 nally constructed is difficult to conjecture. The large expansion at the 

 south end is circular in basal outline, with a diameter of 40 feet and 

 height of 1^ feet. Extending north from this portion is a long, oval, 

 or slightly flattened mound. The entire length of this mound, as in- 

 dicated in the table, is 130 feet. Some feet north from the large ex- 

 pansion the writer made a trench 2 feet wide across this mound, but 

 without finding any trace of fire or relics of any kind. 



Mound No. 12 is another peculiar form, and appears to have been 

 raised for the same purpose as mound No. 6, whatever that may have 

 been. This is unexplored. 



The material of all the mounds (except the ashes and charcoal men- 

 tioned) is a yellow homogeneous loess, with a dark hunnis stained layer 

 at the top, such as everywhere occupies the surface of the country. No 

 . " dug-holes " or excavations of any kind were observed near the mounds 

 from which their material might have been taken. The ridge and 

 mounds here .are covered by a heavy growth of young oaks, hickories, 

 poplars, etc. 



On the opposite side of the valley, and slightly below this group, is 

 another group of five circular mounds. These occupy a position on the 

 brow of a ridge which commands a beautiful view of the valley and 

 country to the east. 



As these mounds are in the main identical in form and structure with 

 the circular ones of the first group, a delineation of. them here is un- 

 necessar^". 



These mounds have been partially explored and the finding of human 

 bones in them reported. Near the mouth of Turkey Creek, 2 miles 

 north from the first group of mounds described, an isolated circular 

 mound occurs. This mound is situated on the brow of a perpendicular 

 cliif of Devonian limestone which rises to a height of 100 feet (by esti- 

 mate) above the water of the Iowa, and constitutes one of the highest 

 and most sightly localities of the vicinity. This mound is somewhat 

 higher than any of those previously described. It has been partially 

 explored, but with what result is unknown to the writer. 



Near the flouring mill, half a mile north from Iowa City, there occurs, 

 on the top of a high but rather narrow ridge, two series or lines of cir- 

 cular mounds. This point commands a tine view of the surrounding 

 country. The mounds are usually low and from 20 to 21 feet in diame- 

 ter and 30 feet distant from one another. They occupy the center of 



