Section 4 of the Superannuation Act of 1859, Be Excepted From the Rule

by the Treasury on the ground that the office is one requiring peculiar qualifications. The commission found that in fact the examination was not in general required. (Com. Papers, 1875, XXIII., 1, p. 6.)

It may be added that appointments made as the result of competitive examination are not absolute at once, but are probationary for a certain period.