One appointed to act in the place and stead of thesheriff in the official business of the latter’s office. A general deputy (sometimes called”un- dersheriff”) is one who, by virtue of his appointment. has authority to execute allthe ordinary duties of the office of sheriff, and who executes process without anyspecial authority from his principal. A special deputy, who is an officer pro hac vice, isone appointed for a special occasion or a special service, as, to serve a particular writ orto assist in keeping the peace when a riot or tumult is ex7>ected or in progress. Heacts under a specific and not a general appointment and authority. Allen v. Smith, 12 N.J. Law, 162; Wilson v. Russell, 4 Dak. 376, 31 N. W. 645.