lilST OF ILLUSTRATIONS. 



Pago. 



Pi.ATK I. — Cranial amulets T) 



II. — Cranium exhibiting surgical trephining ~ 



III. — Crania showing effect of fracture and disease H 



IV. — Vertex of skull showing effect of saber-stroke 10 



V. — Cranium exhibiting effect of early surgical trephining 11 



VI.— Cranium exhibiting both surgical and jjost-niortem trephining li! 



VII. — The Inca skull from Peru 24 



VIII. — Instruments for trephining used by the Kabyles i.'(> 



IX.— Cranium artificially trephined by M. Championnifere 2<.l 



FiGUUK 1. — Perforated skull from Sable River, Michigan 24 



2. — Tragment from Kabyle skull - 26 



3 



