PREHISTORIC JAPAN—BAELZ. jo 
torical period. In the shell heaps they are of stone, horn, boar or 
wolf teeth, and in the graves of the iron age of glass, carnelian, 
rock crystal, quartz, and nephrite. They are generally perforated 
at the thick end and were worn on a string, together with beads and 
PO ae f et 
Spf ssbb gos 
_ 
Fig. 3.—Finer and more recent ware from northern Japan. The vase on the upper left 
hand is one-sixth natural size, the others one-half. Baelz collection. 
bugles of the same material, as a necklace. Their peculiar shape 
has given rise to many conjectures. Probably they were originally 
teeth or claws of wild animals, which were worn as amulets every- 
where in the stone age. 
