Dead Letters.

563,484 letters, circulars and post cards were received at the Dead letter Office, 58,811 were returned from Great Britain, U.S., and other places as having failed in delivery. 5,888 of these dead letters were registered, and in the unregistered. 3,929 contained valuable inclosures. 131,485 letters were returned to the writers, but only 99,970 were taken out by the persons to whom they were so returned.