Ohio archæological and historical quarterly (1887)
Ohio State Archaeological and Historical Society · Columbus : Published for the Society by A.H. Smythe · leaf 564
g from the line of thefront foot, on each side, to top center of the shell, andthence to the hind foot, forming a semi-circle or modi-fied triangle. These perforations presumably are in-tended to represent the shell markings of the animal.The plastrons themselves are ingenious, formed oftwo pieces…
History · Archaeology
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