A summo caelo egressio ejus

Source: 
St. Gallen, Stiftsbibliothek, Cod. Sang. 359
Folio: 
030
Sequence: 
5
Feast: 
Sabb. Q.T. Adventus
Office/Mass: 
MI
Genre: 
Gr
Cantus ID: 
g00515
Mode: 
?
Manuscript Reading Full Text (standardized spelling): 
A summo caelo egressio ejus et occursus ejus usque ad summum ejus
Manuscript Reading Full Text (MS spelling): 
A summo caelo egressio eius et occursus eius usque ad summum eius