Note 3253 — BOOK XXXVII. THE NATURAL HISTORY OF PRECIOUS STONES. (continued 2)
John Bostock translation
“Clod-stone.” It may possibly have been a kind of Geodes. See B. xxxvi. c. 32. Dalechamps, however, identifies it with Crapaudine, Toad-stone, or Bufonite, supposed in former times to be produced by the toad, but in reality the fossil tooth of a fish.