-Two hundred clerks are employed id the office of the Sucond Auditor ot the Treasury, and many more are wanted to transact the business of auditing the accounts of paymasters of the army. So great is the pressure in thia wise, that the clerks ot the office of the Second Controller, are obliged to work at nights to keep up with the business. The little' corner now occupied by the State Department will soon be absorbed by the immeuse Tieasury etructure, and a new building must be provided for the former. A new building is also contemplatec! for the Agricultural Beparttnent, in the immediate neighborhood of the Propagating Gardens.