[1.24.28-30] > pempton de pros toi autoi, to ex hemitoniou kai hemioliou > diastem|matos synestekos systema eilephtho; > >> fifthly, from the same note [_hypate_] take the _systema_ composed >> of a semitone and an interval one and a half times as great, ...

[1.25.26-28] > He de barytate diatonos tes barytates chromatikos hemitonioi > kai dodekatemorioi tonou oxytera estin. > >> The lowest diatonic _lichanos_ is higher than the lowest chromatic >> by a semitone and a twelfth part of a tone.