548 PROGRESS OF ANTHROPOLOGY IN 1890. 



Striking when the edge is sharp; (3) indirect percussion, practiced by 



Fig. 3. — Iiuliroct percussion. 



the Wintnns and described by B. B. Iledding; (4) indirect percussion, 



Fig. 4. — Iiiilirect jjercnssion. Two persons cnjraged. 



two persons being concerned ; practiced by the A[)aches, according to 



