strict orders to do no injury to person or property, Catholic or
Protestant, ecclesiastic or lay, and to offer no obstruction to the Roman
religion or the royal dignity. He added, however, that it was not to be
taken amiss, if his soldiers were permitted to exercise their own
religious rites, and to sing their Protestant hymns within their own
quarters. He moreover, as security for the expense and trouble, demanded
the city of Sluys. The first detachment of troops, under command of
Colonel Vander Tympel, was, however, hardly on its way, before an alarm
was felt among the Catholic party at this practical alliance with the
rebel Prince. An envoy, named Ottingen, was despatched to Zealand,
bearing a letter from the estates of Hainault, Brabant, and Flanders,
countermanding the request for troops, and remonstrating categorically
upon the subject of religion and loyalty. Orange deemed such
tergiversation paltry, but controlled his anger. He answered the letter
in liberal terms, for he was determined that by no fault of his should
the great cause be endangered. He reassured the estates as to the
probable behaviour of his troops. Moreover, they had been already
admitted into the city, while the correspondence was proceeding. The
matter of the psalm-singing was finally arranged to the satisfaction of
both parties, and it was agreed that Niewport, instead of Sluys, should
be given to the Prince as security.

The siege of the citadel was now pressed vigorously, and the
deliberations of the congress were opened under the incessant roar
of cannon. While the attack was thus earnestly maintained upon the
important castle of Ghent, a courageous effort was made by the citizens
of Maestricht to wrest their city from the hands of the Spaniards. The
German garrison having been gained by the burghers, the combined force
rose upon the Spanish troops, and drove them from the city, Montesdocca,
the commander, was arrested and imprisoned, but the triumph was only