To cantus firmus b write the first and second species mixed in the other three parts. [[Fig. 137a].]
To cantus firmus c write third species in one part, as directed for the second species (b).
| Fig. 138. |
LESSON XXVI
| Fig. 139. |
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. 139a].]
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. 139b].