'And what,' whispered Arbaces to one of the bystanders, who was a
merchant engaged in the Alexandrian trade, which trade had probably
first introduced in Pompeii the worship of the Egyptian goddess--'what
occasion now assembles you before the altars of the venerable Isis? It
seems, by the white robes of the group before me, that a sacrifice is to
be rendered; and by the assembly of the priests, that ye are prepared
for some oracle. To what question is it to vouchsafe a reply?'

'We are merchants,' replied the bystander (who was no other than Diomed)
in the same voice, 'who seek to know the fate of our vessels, which sail
for Alexandria to-morrow. We are about to offer up a sacrifice and
implore an answer from the goddess. I am not one of those who have
petitioned the priest to sacrifice, as you may see by my dress, but I
have some interest in the success of the fleet--by Jupiter! yes. I have
a pretty trade, else how could I live in these hard times?

The Egyptian replied gravely--'That though Isis was properly the goddess
of agriculture, she was no less the patron of commerce.' Then turning
his head towards the east, Arbaces seemed absorbed in silent prayer.

And now in the centre of the steps appeared a priest robed in white from
head to foot, the veil parting over the crown; two new priests relieved
those hitherto stationed at either corner, being naked half-way down to
the breast, and covered, for the rest, in white and loose robes. At the
same time, seated at the bottom of the steps, a priest commenced a
solemn air upon a long wind-instrument of music. Half-way down the
steps stood another flamen, holding in one hand the votive wreath, in
the other a white wand; while, adding to the picturesque scene of that
eastern ceremony, the stately ibis (bird sacred to the Egyptian worship)