[*] 1107. ὁ is a demonstrative commonly before μέν, δέ, and especially in contrasted expressions: ὁ μέν . . . ὁ δέ the one, this . . . the other, that, as in ““οἱ μὲν ἐπορεύοντο, οἱ δ᾽ εἵποντο” the one party proceeded, the other followed” X. A. 3.4.16.