Duties

Things due and recoverable by law. The term, in its widest signification, is hardly less comprehensive than "taxes." It is applied, in its most restricted meaning, to customs; and in that sense is nearly the synonym of "imposts."

7 Wall. (U. S.) 445.

DUUMVIRI (from duo, two, and viri, men). A general appellation among the ancient Romans, given to any magistrates elected in pairs to fill any office, or perform any function.

Brande.

Duumviri municipales were toro annual magistrates in the towns and colonies, having judicial powers. Calv. Lex. Duumviri navales were officers appointed to man, equip, and refit the navy. Id. DUX (Lat.) From ducere, to lead. In the Roman Law. A leader or military commander; the commander of an army.

Dig. 3. 2. 2. pr.

In Later Law. A military governor ol a province.

See Code, 1. 27. 2.

A military officer having charge of the borders or frontiers of the empire, called dux limitis began to be used as a title of honor or dignity. In Feudal and Old European Law. Duke; a title of honor or order of nobility.

1 Bl. Comm. 397; Crabb, Hist. Eng. Law, 236.

One who was invested by the prince with a dukedom or ducal iief (ducatus). Feud. lib.

2, tit. 10.

The highest order of eapitanei regis or crown vassals. Id. lib.

1, tit. 1, pr.

The origin and history of this title are elaborately treated by Spelman, who observes that it was originally an official title, afterwards honorary, and finally feudal and hereditary. Dux is used in Bracton as descriptive of the first order of subjects in the kingdom. Sub eis (regibus) duces, comites, barones, etc., under them, dukes, earls, barons, etc. Bracton, fol.

5b.