ABORIGINAL SITES IN LOUISIANA AND IN ARKANSAS. 53 
been made and lived upon and that later the mixed, yellow clay had been placed 
above it and around it so that the depth of this yellow clay was greatest at the 
marginal parts of the mound. Measurements taken nearly at the center of the 
mound showed the upper layer of yellow clay to be about 2 feet thick, and the 
dark soil beneath it to have a thickness of about 3.5 feet. 
Fia. 23.— Vessel of earthenware. Canebrake mounds. (Height 4.7 inches.) 
Eleven trial-holes, some of which, later, were greatly increased in size, were 
carried down to and below the base of the mound. reaching first and last, nineteen 
burials, the deepest 3 feet 8 inches from the surface, and all in the black, lower 
layer. 
All these burials had been made prior to the addition to the mound, inasmuch 
as there was no sign of the yellow clay in the graves in the dark soil. 
Of the nineteen burials, twelve were skeletons of adults. extended on the 
back. In addition to these were three similar skeletons which had immediately 
with them collections of bones resembling bunched burials, one having one 
skull; one, four skulls; one, eleven skulls. There was also a burial which had 
4 JOURN. ACAD. NAT. SCI. PHILA, VOL. XVI. 
