1893.] Shell Heaps of. Florida. 617 
thickest at the top, the general thickness being .6 inch, thick- 
ness of rim 1.2 inches. 
At a depth greater than five feet not a fragment of pottery 
was encountered. Fire-places were found at varying depths, 
while throughout the entire excavation bones of the turtle, 
"Sherd, Orange Mound. (Actual size.) 
deer, alligator and other edible animals were met with. Ata 
depth of 41 feet, in a layer of brown sand, with a percentage 
of shell intermingled, strongly reminding the writer of the 
brown sand layer in the Tick Island burial mound,” a num- 
? AMERICAN NATURALIST, February and July, 1892. 
