Note 1481 — BOOK XXXIV. THE NATURAL HISTORY OF METALS.
John Bostock translation
“Alterno morsu calce digitisque retinentibus solum, ita vertebrato dente utrisque in partibus ut a repulsu per vices resiliat.” He seems to mean that the statue is so made as to be capable of standing either on the right fore foot and the left hind foot, or on the left fore foot and the right hind foot, the conformation of the under part of the foot being such as to fit into the base.