113. As the adventures of Proba and her family are connected
with the life of St. Augustin, they are diligently
illustrated by Tillemont, Mem. Eccles. tom. xiii. p.
620-635. Some time after their arrival in Africa, Demetrias
took the veil and made a vow of virginity; an event which
was considered as of the highest importance to Rome and to
the world. All the 'Saints' wrote congratulatory letters to
her; that of Jerom is still extant (tom. i. p. 62-73, ad
Demetriad. de servanda Virginitat. [Epist. cxxx. tom. i. p.
969, ed. Vallars.]), and contains a mixture of absurd
reasoning, spirited declamation, and curious facts, some of
which relate to the siege and sack of Rome.