ST. THOMAS AND ST. JOHN , d Level I Level 2 0 -- 10 Centrimater Level 3 Plate VIII. Artifacts of Shell, Bone, and Stone from Turtle Point. A, I, N, shell beads; B, worked shell; C, shell disc; D, ], L, 0, petaloid celts; E, notched sinker; F, oval hammerstone, pecked periphery; G, broken large celt (?); H, faceted pebble hammerstone; K, quartz hammerstone; M, worked fish bone. J8^ L " AMM -< 1