Half title, printed in red, reads: Ugonis Senes̄is super quarta fen primi Avi. preclara expositio: cu ̄annotatoīb ́Jacobi de Partib.́ and "The printer of the first edition (Klebs 997.1) combined Hugo Senensis' partial commentary (on chaps. 1-16) with the latter half (chaps. 17-31) of the complete but brief commentary of Marsilius de Sancta Sophia to make this composite work": c.f. Goff number H-546; Yale Med copy is a variant.
