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GLOBULAR SPONGES ARTIFICIALLY PERFORATED.
CHAP. VII.

argument in favour of their having been used as necklaces or bracelets, appears to me a sound one. He says he often found small heaps or groups of them in one place, all perforated, just as if, when swept into the river's bed by a flood, the bond which had united them together remained unbroken.[1]

  1. Rigollot, Mémoire sur des Instruments en Silex, &c. p. 16. Amiens, 1854.