the subject of resuming the exchange.
As the result of this interview, General Butler wrote the Secretary of War, that with the exception of the question about the exchange of Negroes, all other points of difference were substantially agreed upon, so that the exchange might go on readily and smoothly, man for man and officer for officer of equal rank, and officers for their equivalents in privates, as settled by the cartel.
（Butler's Book, p. 590.) Judge Ould left General Butler on the 31st of March, with the understanding that Butler would confer with his Government about the points discussed, and then confer further with him.
In the meantime the exchanges of sick and wounded and special exchanges were to go on.
On the first day of April, 1864, General U. S. Grant appeared on the scene, and General Butler says:
To him the state of the negotiations as to exchange was communicated, and most emphatic verbal directions were received from the Lieutenant-General not to take