...eft Hamilton for Washington City.--The Convention of loyal Governors, at Altoona, Pa., adjourned to meet again in Washington, D. C. Sabine Pass, Texas, was this day attacked and captured by the United States steamer Kensington, under the command of Acting Master Crocker, assisted by the mortar-boat Henry Janes, and blockading schooner Rachel Seaman.--See Supplement. Judge T. W. Thomas, in the Super...