one in the
Morning
The execution of his designs upon Antonia employed his every thought . Hitherto , He was satisfied with the success of his plans . Antonia had drank the opiate , was buried in the vaults of St. Clare , and absolutely in his disposal . Matilda , who was well acquainted with the nature and effects of the soporific medicine , had computed that it would not cease to operate till one in the Morning . For that hour He waited with impatience . The Festival of St. Clare presented him with a favourable opportunity of consummating his crime . He was certain that the Friars and Nuns would be engaged in the Procession , and that He had no cause to dread an interruption : From appearing himself at the head of his Monks , He had desired to be excused .