It begins in the middle of a sentence (on the Invocation of Saints?).
The next section is:
§4a. De cultu reliquiarum.
Primus hereticorum qui reprehendere cepit cultum sanctarum reliquiarum fuit
Eunomius.
The last section is:
De fide et iustificatione.
And on a fly-leaf the note:
Controversiarum iste fasciculus in tres partes dividitur. volumen hoc continet partem primae, secundam et 3am.
Vol. 1 is B.7.4 part II (previously B.14.13).