156 CERTAIN ABORIGINAL MOUNDS, COAST OF SOUTH CAROLINA. 



The molds in the sand above the wall are also plainly distinguishable The longi- 

 tudinal lines are cracks which appeared in the clay on exposure to the sun. and 

 have no connection with the process of manufacture of the wall. 



Over this frame-work, with the exception of the inner portion of the uprights, 



Fig. 4.— Portion of wall showing molds of uprights and cross-pieces. Aboriginal structure. Mound on Little island, S. C. 



which were allowed to project from the wall, clay had been plastered, as shown in 

 the cross-section of the upper part of the wall (Fig. 5); the space left by the stringer 

 being marked A, those hy the three upper cross-pieces B. The terminal posts of the 

 partitions, however, had been enclosed in the clay. This clay, of a yellowish color 



