WHOLE OR REWORKED
-SOUTHERN ILLINOIS All the drills in this picture are good representative examples of whole drills. They have not been damaged from end snapping or excessive use wear. They are also larger than the average size
drills in the collection. "cylindrical" category. Sixty percent of the 449 blades found on the Mississippian Zebree site in northeast Arkansas were cylindrical. He also places forty percent in a "tabular" category. Morse says that cylindrical microliths have "either rounded and worn tips or beaked and worn tips----sometimes they are polished". He also goes on to say that "rounded tip microliths are probably drill bits for perforating shell beads-----beaked tips probably functioned as gravers for grooving
shell or in Greg Perino's collection. The drills in this picture range in size from 1 1/16 inch (1.7cm) to 1 5/16 inches
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