v. 40. Lest th’ accursed tribe.] Lest the rebellious angels should exult at seeing those who were neutral and therefore less guilty, condemned to the same punishment with themselves.

v. 50. A flag.]

All the grisly legions that troop

Under the sooty flag of Acheron

Milton. Comus.

v. 56. Who to base fear Yielding, abjur’d his high estate.] This is commonly understood of Celestine the Fifth, who abdicated the papal power in 1294. Venturi mentions a work written by Innocenzio Barcellini, of the Celestine order, and printed in Milan in 1701, In which an attempt is made to put a different interpretation on this passage.

v. 70. through the blear light.]

Lo fioco lume
So Filicaja, canz. vi. st. 12.

Qual fioco lume.

v. 77. An old man.]