WASHINGTON, _April 20, 1866_.
_To the Senate of the United States_:
In compliance with the Senate's resolution of the 8th January, 1866, I
transmit herewith a communication from the Secretary of War of the 19th
instant, covering copies of the correspondence respecting General
Orders, No. 17,[6] issued by the commander of the Department of
California, and also the Attorney-General's opinion as to the question
whether the order involves a breach of neutrality toward Mexico.