Military Convictions

Special IMspatch tu The Detroit Free Press. Cincinnali, April 28. There bas been in saasion i general court-martial, af which General Porter was president, and before whom was arraigntd Samson 1). Talbot, charged wilh shielding frorn arrest persona in arme agawt the United States. He wns louud guilty, sentenued to pav $5,000, and be oonfined tbree months, wherever General Burusida should direet. Thomas Sulltvan, for shielding from arrest the sumo persons, was found guiliy and sentenced to sixty days close coiifinement. Thomas M. Campbell, momber of the Cnnlederata anny, f. .uiid within Federa! linea, charged as being spy, the court tinding him guilty, was sentenced to be hung. Gen. BurnsideVorder 52, just issued, issued, approves all findings and sentenoes. The court directs that Talbot and Snllivan be sent to Johnson's Island, near Sandusky, Carnpbel] to be delivered to the coramaoder of the same post, who shall exeoute sentence of death at 12 M., May let. Thiti foreshadows that Gen Burnside intends rigidly to adhere to the policy inangnmted on assuming comraand of this departinent. L3T The Tribune', Hilton Head correspon'dénóe, 20th representa the monitors and array ready for movement, and, indeed, one seems actuallv in progress. He says beiore the close of this week all the iron-clads will be again over the bar at Charkston, and attack must soon commonce, this time in co-operation with land forcee. The rebels are hard at work strengthenmg the land defenses on the island south j of Charleston. Troops have been sent) frorn Savannah to assist thero. (EP Captain Worden has gone to New York to aRsist Admiral Gregory in fitting out iron-clads at that port.