..., arrived yesterday morning from Old Point Comfort. She brought up a number of passengers, among whom are Colonel Bartlett, of the naval brigade, which is disbanded, Mr. Hildreth, brother-in-law of Gen. Butler , and wife. There was on Tuesday morning a trial of the large rifle cannon recently placed on the Rip Raps. Eleven shells were thrown towards Sewell's Point, three or four of which exploded on...