A negro Thief.
--A man named James Austin, a native of England, who has been for the past twelve months a resident of the Confederate States, was arrested on Monday night, and committed to the jail in this city, on the most undoubted evidence that he had been endeavoring to induce negroes to ran away Some days since Marshal Maxwell learned that a white man had endeavored to induce a negro belonging to Mr. Englehardt to leave the city with him, and at once went to work to set a trap to catch the rogue. The negro was told to inform Mr. Austin that two other negroes also wished to get away, and desired to see him. A meeting was arranged for, and on Monday night the Marshal and another gentleman, haunted and colored as becomes descendants of Haet, went with the negro to the place of rendezvous. They were soon joined by Mr. A., who was rejoiced at the apparent success of his enterprise, and at once unfolded his plans. It was arranged that they should all leave the city next Friday morning before daylight, travel nights, so as to void detection, and, after making their way through the Confederate pickets, go straight to Pensacola, when they would be among their Yankee friends. As soon as they had learned all they desired, one of the supposed negroes greatly