"No! All Madrid shall shudder at your perfidy."

He turned to fly. She seized him and screamed for help. He grasped
her by the throat with all his strength, strangled her, and flung her to
the ground, where she lay motionless. After a minute of horror-struck
shuddering, the murderer fled. He entered the abbey unobserved, and
having shut himself into his cell, he abandoned his soul to the tortures
of unavailing remorse.


_IV.--A Living Death_


"Do not despair," counselled Matilda, when the monk revealed his
failure. "Your crime is unsuspected. Antonia may still be yours. The
prioress of St. Clare has a mysterious liquor, the effect of which is to
give those who drink it the appearance of death for three days. Procure
some of this liquor, visit Antonia, and cause her to drink it; have her
body conveyed to a sepulchre in the vaults of St. Clare."

Ambrosio hastened to secure a phial of the mysterious potion. He went to
comfort Antonia in her distress, and contrived to pour a few drops from
the phial into a draught that she was taking. In a few hours he heard
that she was dead, and her body was conveyed to the vaults.

Meanwhile, Lorenzo had learned, not indeed that his sister was alive,
but that she had been the victim of terrible cruelty. A nun, who had
been Agnes's friend, hinted at atrocious vengeance taken by the prioress
for Agnes's attempt to escape. She suggested that Lorenzo should bring
the officers of the Inquisition with him and arrest the prioress during