As the several acts of Congress providing for detailed reports from the different Departments of the Government require their submission at the beginning of the regular annual session, I defer until that time any further reference to subjects of public interest. R.B. HAYES. SPECIAL MESSAGES. EXECUTIVE MANSION, _Washington, D.C., October 17, 1877_. _To the Senate and House of Representatives_: I have the honor to transmit herewith the report of a board of inquiry appointed by the Secretary of the Interior to examine into the causes of the fire which destroyed a part of the Interior Department building on the 24th of last month. R.B. HAYES. EXECUTIVE MANSION, _Washington, D.C., October 17, 1877_. _To the Senate and House of Representatives_: I have the honor to transmit herewith a report of the Secretary of the Navy, setting forth the particulars with reference to the existing deficiencies in the Navy Department. R.B. HAYES. WASHINGTON, _November 12, 1877_. _To the House of Representatives_: In answer to the resolution of the House of Representatives of the 1st instant, I transmit herewith reports from the Secretary of State and the Secretary of War, with their accompanying papers.[4] R.B. HAYES. [Footnote 4: Correspondence relative to Mexican border troubles.] WASHINGTON, _November 12, 1877_. _To the House of Representatives_: In answer to the resolution of the House of Representatives of the 5th instant, I transmit herewith reports from the Secretary of State and the Secretary of the Treasury, with their accompanying documents.[5] R.B. HAYES. [Footnote 5: Correspondence relative to the imposition of a differential duty of 50 cents per ton upon Spanish vessels entering ports of the United States.] EXECUTIVE MANSION, _November 12, 1877_. _To the Senate of the United States_: In compliance with the resolution of the Senate of the 16th of October, 1877, I have the honor to transmit herewith a statement of the appropriations and expenditures by the Navy Department from the 4th of March, 1789, to June 30, 1876. A similar statement for the War Department is being prepared as rapidly as the limited clerical force in the Treasury Department will permit, and when completed will be transmitted to the Senate. R.B. HAYES. EXECUTIVE MANSION, _November 12, 1877_. _To the Senate of the United States_: In compliance with the resolution of the Senate of the 30th of October, 1877, I have the honor to transmit herewith a statement of the annual appropriations and expenditures for army and navy pensions, showing also the repayments, the amounts carried to the surplus fund, and the net expenditures under each appropriation from March 4, 1789, to June 30, 1876. R.B. HAYES. WASHINGTON, _November 14, 1877_. _To the Senate of the United States_: In answer to the resolution of the Senate of the 8th instant, I transmit herewith a report[6] from the Secretary of State. R.B. HAYES.