Jackson Declares Martial Law.

On the sixteenth, two days before the review, General Jackson issued from his headquarters an order declaring "the city and environs of New Orleans under martial law." This imperious edict was resorted to in the firm belief that only the exercise of supreme military authority could awe into silence all opposition to defensive operations. Every person entering the city was required to report himself to headquarters, and any one departing from it must procure a pass. The street lamps were extinguished at nine o'clock at night, and every one found passing after that hour was subject to arrest. All persons capable of bearing arms who did not volunteer were pressed into the military or naval service. Rumors were rife that British spies were secretly prowling in the city, and coming into the American camp. Reports of disloyal utterances and suspicious proceedings on the part of certain citizens came repeatedly to the ears of the commander-in-chief. More serious yet, he was aroused to fierce anger by personal and direct intelligence that certain leading and influential members of the Legislature favored a formal capitulation and surrender of Louisiana to the enemy, by that body, in the event of a formidable invasion, for the greater security of their persons and property. These persons had circulated a story that Jackson would burn the city and all valuable property in reach rather than let it fall into the hands of the British.

Determined that disloyalty should find no foothold to mar his military plans, or to disaffect the soldiery or citizens, General Jackson, on the day previous to his declaration of martial law, issued the following spirited order: