EXERCISES

To cantus firmus _a_ write the second species in two parts and the first in
the others. Write twice, changing the parts about. [Fig. 139_a_.]

To cantus firmus _b_ write third species in one part as previously
directed.

To cantus firmus _c_ write third species mixed in the other three parts, as
at Fig. 139_b_.


CANTI FIRMI

[Illustration: Fig. 140.]




LESSON XXVII


[Illustration: Fig. 141.]


EXERCISES

To cantus firmus _a_ write the first, second and third species in the other