[1] Reading aeque tantam as in new Rose. Codd. sextantem; Schn. quadrantem.

[2] Codd. altitudo.

[3] That is: two metopes with a triglyph between them, and half of the triglyph on either side.

[4] Codd. duae.

[5] 1 Codd. quarto.

[6] Codd. CC. & L.

[7] The remainder of this section is omitted from the translation as being an obvious interpolation.

[8] Codd. diatessaron, which is impossible, paramese being the concord of the fourth to the chromatic meson, and identical with the chromatic synhemmenon.

[9] Codd. fuerat.

[10] Here something is lost, as also in chapter III, sections 5 and 6.

[11] From this point to the end of section 3 the text is often hopelessly corrupt. The translation follows, approximately, the manuscript reading, but cannot pretend to be exact.

[12] 1 the dots here and in what follows, indicate lacunae in the manuscripts.