(...) a progenie in progenies*

Marginalia: 
T
Folio: 
162r
Sequence: 
4
Office/Mass: 
X
Genre: 
A
Mode: 
*
Manuscript Reading Full Text (standardized spelling): 
(...) a progenie in progenies*
Manuscript Reading Full Text (MS spelling): 
A progenie in progenies
Indexing notes: 
Possibly the concluding part of a chant that was notated on a folio that has been torn.