SEC. 11. Each house shall keep a journal of its own proceedings, and publish the same; and the yeas and nays of the members of either house, on any question, shall, at the desire of any three members present, be entered on the journal. SEC. 12. Members of the Legislature shall, in all cases except treason, felony, and breach of the peace, be privileged from arrest, and they shall not be subject to any civil process during the session of the Legislature, nor for fifteen days next before the commencement and after the termination of each session. SEC. 13. When vacancies occur in either house, the Governor, or the person exercising the functions of the Governor, shall issue writs of election to fill such vacancies. SEC. 14. The doors of each house shall be open, except on such occasions as in the opinion of the house may require secrecy. SEC. 15. Neither house shall, without the consent of the other, adjourn for more than three days, nor to any other place than that in which they may be sitting. SEC. 16. Any bill may originate in either house of the Legislature, and all bills passed by one house may be amended in the other. SEC. 17. Every bill which may have passed the Legislature, shall, before it becomes a law, be presented to the Governor. If he approve it, he shall sign it; but if not, he shall return it, with his objections, to the house in which it originated, which shall enter the same upon the journal, and proceed to reconsider it. If, after such reconsideration, it again pass both houses, by yeas and nays, by a majority of two-thirds of the members of each house present, it shall become a law, notwithstanding the Governor's objections. If any bill shall not be returned within ten days after it shall have been presented to him (Sunday excepted,) the same shall be a law, in like manner as if he had signed it, unless the Legislature, by adjournment, prevent such return. SEC. 18. The Assembly shall have the sole power of impeachment; and all impeachments shall be tried by the Senate. When sitting for that purpose, the Senators shall be upon oath or affirmation; and no person shall be convicted without the concurrence of two-thirds of the members present. SEC. 19. The Governor, Lieutenant-Governor, Secretary of State, Comptroller, Treasurer, Attorney General, Surveyor-General, Justices of the Supreme Court, and Judges of the District Courts, shall be liable to impeachment for any misdemeanor in office; but judgment in such cases shall extend only to removal from office, and disqualification to hold any office of honor, trust or profit, under the State; but the party convicted, or acquitted, shall nevertheless be liable to indictment, trial and punishment, according to law. All other civil officers shall be tried for misdemeanors in office, in such manner as the Legislature may provide. [Illustration: CROSSING THE ISTHMUS.]