all acting appointments to be reported to the department, commander may, in certain cases, direct who shall perform parti- boatswains, gunners, carpenters, and sailmakers, may be selected, officers, when appointed by the secretary, to assume the uniform,&c. acting appointments to specify the vessel, commanders-in-chief may appoint board to examine candidates for commanders may be promoted, when, warranted master's mates may be promoted, when, assistant surgeons to be examined before appointment, surgeons to be examined before promotion, chaplains to be regularly ordained or licensed, pursers to be between 21 and 35 years of age, and to be examined pursers to nominate their assistants, midshipmen to serve twelve months on board a schooner, 3445 |