BOOK THREE.

On counterpoint and its elementary voices. Chapter one.
On the nature and denomination of the species of counterpoint. Chapter two.
On the eight rules of counterpoint. Chapter three.
Which dissonances are to be admitted in counterpoint, and where. Chapter four.
On the smoothness of the fourth consonance. Chapter five.
Why the fourth agrees between a higher middle sound and disagrees between a lower middle sound. Chapter six.
On the conformity and diversity of the third and the sixth. Chapter seven.
On the denomination of extreme sounds in concordances. Chapter eight.
Through alternating tension and relaxation of species, different elements of counterpoint are arranged. Chapter nine.
On the diversity of the figuration of sounds in counterpoint. Chapter ten.
On the composition of the different parts of counterpoint. Chapter eleven.
On similar perfect consonances to be tolerated consecutively in counterpoint. Chapter twelve.
On the counterpoint of musica ficta fictitious music / accidentals. Chapter thirteen.
On false counterpoint. Chapter fourteen.
On the rule and modesty of the performer. Chapter fifteen.

BOOK FOUR.

On the definition and distinction of proportion. Chapter one.
On the five genera of proportions of greater and lesser inequality. Chapter two.
On the multiple genus and its species. Chapter three.
On the sub-multiple genus and its species. Chapter four.
On the superparticular genus and its species. Chapter five.
On the sub-superparticular genus and its species. Chapter six.
On the superpartient genus and its species. Chapter seven.
On the sub-superpartient genus and its species. Chapter eight.
On the multiple superparticular genus and its species. Chapter nine.
On the sub-multiple superparticular genus and its species. Chapter ten.
On the multiple superpartient genus and its species. Chapter eleven.
On the sub-multiple superpartient genus and its species. Chapter twelve.
On the conjunction of many dissimilar proportions. Chapter thirteen.
On the proportions that nourish musical consonances. Chapter fourteen.
On the production of multiple proportions from multiple superparticulars. Chapter fifteen.