National Geographic : 1980 Jun
Apparent absence of thumbs on the hands (left) may be relatedto nail penetrationthrough the wrists. Such piercingmight stimulate the median © 1980 VERNONMILLER, BROOKSINSTITUTE(BOTH) NATIONALGEOGRAPHICART DIVISION nerve and cause an involuntary contractionof the thumbs. Auras around"blood" on the wrist and one foot (detailedin diagrams) are also thought by some to be signs of serum. Watery serum is squeezed out of clotting blood. Fine diagonalscratches, found with scourge marks, are revealed in these ultravioletfluorescence photographs.They appear strongest on the back of the legs (left).