In 1818, these pirates grew so daring that they made an irruption into
the Indian Ocean, and plundered vessels and towns on the islands and
coasts. A fleet was sent against them, and intercepted them off Ashlola
Island, proceeding to the westward in three divisions; and drove them
back into the gulf. The Eden and Psyche fell in with two trankies, and
these were so closely pursued that they were obliged to drop a small
captured boat they had in tow. The Thetes one day kept in close chase of
seventeen vessels, but they were enabled to get away owing to their
superior sailing. The cruisers met with the Joassamees seventeen times
and were constantly employed in hunting them from place to place.

At length, in 1819, they became such a scourge to commerce that a
formidable expedition under the command of Major General Sir W. Grant
Keir, sailed against them. It arrived before the chief town in December,
and commenced operations. In his despatches Gen. Keir says--

I have the satisfaction to report the town of Ras-el Khyma, after a
resistance of six days, was taken possession of this morning by the
force under my command.

On the 18th, after completing my arrangements at Muscat, the Liverpool
sailed for the rendezvous at Kishme; on the 21st, we fell in with the
fleet of the Persian Gulf and anchored off the island of Larrack on the
24th November.

As it appeared probable that a considerable period would elapse before
the junction of the ships which were detained at Bombay, I conceived it
would prove highly advantageous to avail myself of all the information
that could be procured respecting the strength and resources of the