146 



MOUND EXPLORATIONS. 



tended downward about 2 feet. It was filled with a mass of hard 

 white sand. Over the whole was a layer of sand about 1 foot thick. 



The structure of this mound is suggestive of the so called " altar 

 mounds" of Ohio. Squier and Davis speak iu one place of an altar or 

 altar-shaped mass of sand found in a mound.' 









I \Barn 



M^ 



'^m 



■=W, 



rente ^% 



%0% 



x 



Fig. 74. — Schlimpert mounds, Jackson county, Illinois. 



No. 7, 60 feet in diameter and 5 feet high, was composed almost 

 wholly of the black waxy soil, with here and there small masses of 

 sand. Nothing was found in it. 



No. 4 was composed entirely of sand except the toi) layer; nothing 

 was found in it. 



* Ancient Monuments, p. 156. 



