ing Secretary of War, dated at Richmond, on the 9th instant:
Gen. D. E. Twiggs:
Your despatch is received.
The department learns with regret that the state of your health is such as to cause you to request to be relieved from active duty.
Your request is granted; but you are expected to remain in command until the arrival of Gen. Mansfield Lovell, who has been appointed to succeed you, and who leaves for New Orleans to-morrow. J. P. Benjamin.
The Platte River bridge, near St. Joseph's, was burned, and they are now obliged to cross in small boats and on rafts.
Fifteen hundred regulars from Utah crossed this night, and many of them with their families.
Being so many of them, some were obliged to cross on the rafts.
They had ropes across the river, and those on the raft took hold of the end and pulled, and it drew them across; but some one--a secessionist, they think — had cut the rope, and when they were about in the middle of the river it gave way and they floated d