Isfon Dyascorides multi cameleontam nigram sic vocant.
Isfon AC | Iffon B e | Ifon f
cameleontam (-taʒ e; -tã C) AC e | cameleũtã B | cameliontã f
sic vocant (uo- B) BC e | uocant sic f
Isfon is what according to Dyascorides many people call the black cameleonta.
Simon's forms isfon or iffon, are most likely corrupted forms of ixion.
For further information see Ixion.