U. .S. G. AND G. SURfFY. 



PKEHTSTORrC TRPrHINrNG, PI. I. 



B/ Q^ypD 



Figs. 1 and 2. Tbc rondcllc of Lyons. Fig. 3. An amulet from La Lozferc : A-B, the cicatrized edge from aurjiical 

 trephining r A-C, B-D, post-mortem sections. Fig. 4. A-B, cicatrized edge. Fig. 5. Amulet with groove for sus- 

 pension. All natural size. (Broca.) 



