ζωρύγων καὶ ὑπαγωγῶν → ζωρύγων καὶ ὑτ̣ραγωγῶν (l. διωρύγων καὶ ὑδραγωγῶν), P. Bingen 106-107, S. 403, Anm. 16 (am Original).