τῷ πυρὶ τῆς ὁδοῦ τεκμαιρόμενοι → judging of the road by the fire
subs.
Bog: P. ἕλος, τό, Ar. and P. τέλμα, τό.
Skin of a serpent: V. χιτών, ὁ (Eur., I. T. 288).
