[I.] Since this Harmony arises not only from the celestial motions, but also from the intervals of the distances, and other proportions; and does not hold itself in the same way in every [world-]system: it has seemed [good] to defer this controversy to the last Section of this book, in which the Harmonic and Geometric System will be treated—so that, by that last [section], as it were by a [musical] sound, the ears of the erudite Reader may be refreshed.

[END OF SECTION II.] (The page closes with a tailpiece and the catchword “SECTIO” — Section III begins on printed p. 271 / PDF 306. The harmony-of-the-spheres question raised here is deferred by Riccioli to the final Section of Book IX.)