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Drawing of a shell gorget from Illinois showing spider with cross-and-circle motif on body.
Holmes, J.H. 1883. Art in Shell of the Ancient Americans. Bureau of American Ethnology, 2nd Annual Report. Washington D.C. SEE ALSO Howard, J.H. 1968. The Southeastern Ceremonial Complex and its Interpretation. Memoir of the Missouri Archaeological Society No. 6. Plate LXI,2 (Howard 1968; Fig. 1c, p.20)