EXERCISES

Write two eight-measure phrases mixing the first and second species. [Fig.
39.]

To cantus firmus _a_ write one counterpoint above and one below, three
notes to the measure. [Fig. 31.]

To cantus firmus _b_ write one above and one below, in the second species.


CANTI FIRMI

[Illustration: Fig. 40.]




LESSON IV

THIRD SPECIES


[Illustration: Fig. 41.]

In this species, four notes are written in the counterpoint to each note
of the cantus firmus. The counterpoint may begin on the first, second, or
fourth quarter. The second quarter is, however, the most usual. [Fig. 42.]

[Illustration: Fig. 42.]