Note 5 — Chapter XVI · ON TO MATHURA OR MUTTRA. CONDITION AND CUSTOMS OF CENTRAL INDIA; OF THE MONKS, VIHARAS, AND MONASTERIES.
James Legge translation
(5) “Cowries;” {.} {.}, not “shells and ivory,” as one might suppose; but cowries alone, the second term entering into the name from the marks inside the edge of the shell, resembling “the teeth of fishes.”