ber of suitable persons to be firewards as they deem necessary; and each person so appointed shall forth with have notice thereof, and within seven days after such notice shall enter with the town-clerk his acceptance or refusal of the office. Whoever neglects so to enter his acceptance or refusal shall, unless excused by the selectmen, forfeit ten dollars. Pub. Sts., c. 35, § 1. Gaugers of Liquid Measures. Harbor-Masters. See page 51. A harbor-master may be appointed for any harbor in the Commonwealth by the mayor and aldermen of the city, or by the selectmen of the town, in which such harbor is situated. Such mayor and aldermen or selectmen shall fix the compensation of such harbor-master, to be paid by their city or town, and the harbor-master so appointed shall continue in office until the appointment of his successor; but this section shall not apply to any harbor for which other provision has been made for the appointment of a harbor-master. Pub. Sts., c. 69, § 25. Harbor-Master's Assistants. Assistant harbormasters may be appointed for any harbor in the Commonwealth by the mayor and aldermen of the city, or by the selectmen of the town in which such harbor is situated. Such mayor and aldermen or selectmen shall fix the compensation of such assistants, to be paid by their respective city or town, and the assistants so appointed shall continue in office until the appointment of their successors or until their appointments shall have been revoked. St. 1882, c. 216, § 1. Highway Surveyor, Fence Viewer, Constable, and Field Driver. When a vacancy occurs in the office of highway surveyor, fence viewer, constable, or field driver, the selectmen may, in their discretion, appoint some suitable person to fill the vacancy. Pub. Sts., c. 27, § 86. Inspectors of Hay and Straw. The mayor and aldermen and selectmen of each city and town in which pressed or bundled hay or straw is sold, may, on the petition of ten or more legal voters of such city or town, annually appoint one or more persons as inspectors of pressed or bundled hay and straw, who shall be sworn; may remove any inspector so appointed; and may fill any vacancy that may occur from death or otherwise. Pub. Sts., c. 60, § 35. Inspectors of Milk. The mayor and aldermen of cities shall, and the selectmen of towns may, annually appoint one or more persons to be inspectors of milk for their respective places, who shall be sworn before entering upon the duties of their office. Pub. Sts., c. 57, § 1. - Inspector of Provisions and of Animals intended for Slaughter. The mayor and aldermen of cities. and the selectmen of towns may annually appoint one or more persons to be inspectors of provisions and of animals intended for slaughter. Such inspectors shall be sworn faithfully to discharge the duties of their office, and shall receive such compensation as the city council or the selectmen shall determine. Pub. Sts., c. 58, § 1. Inspectors of Vinegar. The mayor and aldermen of cities shall, and the selectmen of towns may, annually appoint one or more persons to be inspectors of vinegar for their respective places, who shall be sworn before entering upon their duties. Pub. Sts., c. 60, § 71. Police Officers. The selectmen may at any time appoint police officers, with all or any of the powers of constables except the power of serving and executing civil process, who shall hold their offices during the pleasure of the selectmen, and who may carry such weapons, when on duty, as the selectmen shall authorize. Pub. Sts., c. 27, § 85. Such police officer need not be sworn. Commonwealth v. Cushing, 99 Mass. 592. The aldermen of any city except Boston, and the selectmen of any town may establish the office of probation officer, and fix his salary. When the office has been established, the officer may be appointed by the mayor, subject to the confirmation of the aldermen, or by the selectmen, and shall hold his office until removed by the aldermen or selectmen. He shall in the execution of his official duties have the Probation Officer. Railroad and Steamboat Police. powers of police officers, and may be a member of the police force of his city or town. The city or town clerk shall forthwith notify the commissioners of prisons of any appointment under this section. Pub. Sts., c. 212, § 74. The mayor and aldermen of a city, or the selectmen of a town, upon the petition of a railroad corporation having a passenger station therein, or a common carrier of passengers by water for hire, having a usual place of receiving or discharging passengers therein, may appoint as many as they deem proper of the persons in the employment of said petitioner as police officers for the purposes and with the powers hereinafter set forth. A copy of the record of all such appointments shall be filed by the petitioner with the clerk of each place in which such corporation draws cars by its own motive-power, or such carrier is accustomed to receive or discharge passengers, and in which it is intended that such police shall act; and the filing of such copy shall constitute the persons named therein railroad or steamboat police, respectively, within such towns or cities, and upon the boats or vessels of such carriers by water while within the boundaries of the Commonwealth. Pub. Sts., c. 103, §§ 13, 14. Such police officers shall be sworn before any justice of the peace, and shall hold their offices until their appointment is revoked by the mayor and aldermen of the city, or by the selectmen of the town, where they are appointed; but such petitioner, upon ceasing to require the services of any such officer, shall file a notice to that effect in the several offices in which notice of such appointment was originally filed, and thereupon the power of such officer shall cease. Pub. Sts., c. 103, § 15; St. 1883, c. 65. Sealer of Linear Measure. All apparatus for linear measurements used by a land surveyor shall be tested and proved once in each year by the sealer of weights and measures in the town or city where such surveyor resides, or where he has his office, and all chains, tapes, or other implements used for linear measurements that cannot be made to conform to the standard shall be marked condemned, or CD., by the sealer of weights and measures, and no surveyor shall thereafter use the same for measuring land, under the penalty of twenty dollars for each offence. The mayor and aldermen of a city, or the selectmen of a town, may, if they deem it expedient so to do, appoint a suitable and competent person, other than the sealer of weights and measures, to test and prove such measuring implements. Pub. Sts., c. 64, §§ 6, 7. Superintendent of Hay Scales. In cities in which the city council and in towns in which the inhabitants adopt this and the two following sections, or have adopted the corresponding pro |