"I beg your pardon, sir; but I see, by the number on your cap, that we belong to the same regiment," said an officer with two bars on his shoulder-straps, as he halted in the aisle of the railroad-car, near where Lieutenant Thomas Somers was seated. "May I be permitted to inquire whom I have the honor of addressing?" "Lieutenant Somers, of the --th Massachusetts," replied the young gentleman addressed, as he politely touched his cap in return for the salutation of the other.