CONTRAVALLATION, Lines of. Continuous lines of intrenchment round the besieged fortress, and fronting towards it, to guard against any sorties from the place. (See [Circumvallation].)

CONTRIBUTION. Money paid in order to save a place from being plundered by a hostile force. (See [Ransom].) Also, a sum raised among merchants, where goods have been thrown overboard in stress of weather, towards the loss of the owners thereof.

CONTROLLER. Differs from comptroller, which applies chiefly to the duties of an accompt. But the controller of the navy controls naval matters in ship-building, fitting, &c. There is also the controller of victualling, and the controller-general of the coast-guard.

CONTUMACY. The not appearing to the three calls of the admiralty court, after the allegation has been presented to the judge, with a schedule of expenses to be taxed, and an oath of their necessity.

CONVALESCENT. Those men who are recovering health, but not sufficiently recovered to perform their duties, are reported by the surgeon "convalescent." Convalescents are amused by picking oakum!

CONVENIENT PORT. A general law-term in cases of capture, within a certain latitude of discretion; a place where a vessel can lie in safety, and holding ready communication with the tribunals which have to decide the question of capture.

CONVENTION. An agreement made between hostile troops, for the evacuation of a post, or the suspension of hostilities.

CONVERGENT. In geography, a stream which comes into another stream, but whose course is unknown, is simply a convergent.

CONVERSION. Reducing a vessel by a deck, thereby converting a line-of-battle ship into a frigate, or a crank three-decker into a good two-decker; or a serviceable vessel into a hulk, resembling a prison or dungeon, internally and externally, as much as possible.

CONVERSION OF STORES. Adapting the sails, ropes, or timbers from one purpose to another, with the least possible waste.