...eld and staff officer of the Massachusetts Fifth Regiment, at the seat of war, with a stallion fully equipped for service.--N. Y. Express. The Tenth Regiment N. Y. Volunteers, National Zouaves, Colonel McChesney , left their encampment at Sandy Hook for Fortress Monroe. Previous to their departure they paraded through the city of New York, where they received a flag.--N. Y. Sun, June 5. The Savannah R...