[Illustration:  Fig. 159.]

CANTI FIRMI

[Illustration:  Fig. 160.]

LESSON XXXV

To canti firmi a and b write two parts.  Write each three times, setting the cantus firmus in all parts in turn.  Write one of the solutions of the choral with continuous movement at the hold.

CANTI FIRMI

[Illustration:  Fig. 161.]

LESSON XXXVI

Write two eight-measure phrases, and one sixteen-measure phrase, of original counterpoint in three parts.

LESSON XXXVII

FREE HARMONIZATION IN FOUR-PART COUNTERPOINT

[Illustration:  Fig. 162.]

EXERCISES

To the cantus firmus write three parts.

Write two sixteen-measure phrases of original four-part counterpoint, one major and one minor.

CANTUS FIRMUS

[Illustration:  Fig. 163.]

LESSON XXXVIII

In this and the following lessons have the parts in some of the exercises begin one after the other in imitation. [Fig. 151.]

EXERCISES

Write two eight-measure phrases, and one sixteen-measure phrase, of original four-part counterpoint.

LESSON XXXIX

Write two sixteen-measure phrases of original four-part counterpoint.

LESSON XL

Write an original exercise in four-part counterpoint, extended to thirty-two measures.