WAR DEPARTMENT,

Washington, April 15, 1861.

SIR-Under the Act of Congress "for calling forth the militia to execute the laws of the Union, suppress insurrections, repel invasions," &c., approved February 28, 1795, I have the honor to request your Excellency to cause to be immediately detached from the militia of your State, the quota designated in the table below, to serve as infantry, or riflemen, for the period of three months, unless sooner discharged.

Your Excellency will please communicate to me the time at or about which your quota will be expected at its rendezvous, as it will be met, as soon as practicable, by an officer or officers to be mustered into the service and pay of the United States. At the same time, the oath of fidelity to the United States will be administered to every officer and man.

The mustering officer will be instructed to receive no man under the rank of commissioned officer, who is in years apparently over forty-five, or under eighteen, or who is not in physical strength and vigor.

TABLE OF QUOTAS.

One Brigadier General; one Aid (a Captain); one Brigade Inspector (a Major); six Regiments; six Colonels; six LieutenantColonels; six Majors; six Adjutants (Lieutenants); six Regimental Quarter Masters (Lieutenants); six Surgeons; six Surgeon's Mates; six Sergeant Majors; six Drum Majors; six Fife Majors: sixty Captains; sixty Lieutenants; sixty Ensigns; sixty Sergeants; sixty Corporals; sixty Drummers; sixty Fifers; three thousand eight hundred and forty privates. Total officers, two hundred and twenty-five. Total men, four thousand four hundred and fiftyeight. Aggregate, four thousand six hundred and eighty-three. The rendezvous for your State will be at Indianapolis. I have the honor to be, very respectfully, Your obedient servant,

To His Excellency OLIVER P. MORTON,
Governor of Indiana.

SIMON CAMERON,
Secretary of War.

Proclamation by the Governor.

WHEREAS, An armed rebellion has been organized in certain States of this Union, having for its purpose the overthrow of the Government of the United States;

And whereas, The authors and movers in this rebellion have seized, by violence, various forts and arsenals belonging to the United States, and otherwise plundering the Government of large amounts of money and valuable property;

And whereas, Fort Sumter, a fortress belonging to the United States, the exclusive possession and jurisdiction over which were vested in the General Government by the Constitution of the United States, has been besieged by a large army, and assaulted by a destructive cannonade and reduced to submission, and the national flag hauled down and dishonored.

And whereas, The President of the United States, in the exercise of the power vested in him by the Federal Constitution, has called upon the several States remaining true to their allegience to aid him in the enforcement of the laws, the recovery of the national property, and the maintainance of the rightful authority of the United States;

Now, therefore, I, Oliver P. Morton, Governor of the State of Indiana, call upon the loyal and patriotic men of this State, to the number of six regiments, to organize themselves into military companies, and forthwith report the same to the Adjutant General, in order that they may be speedily mustered into the service of the United States. The details of the organization are set forth in the instructions of the Adjutant General, herewith published. OLIVER P. MORTON,

Attention is called to the following regulations adopted for the organization of the militia of Indiana:

1. Companies must number eighty-four, rank and file.

2. Each company must elect the following officers for commissions: One Captain; one First Lieutenant; one Second Lieutenant and one Third Lieutenant.

3. When formed and organized by the election of officers, the captain must report immediately to this office, sending names of officers, company roll, the exact locality of their muster, and the particular arm of service they have chosen-whether infantry, rifle, artillery or cavalry.

4. Notice of their acceptance will be immediately given by telegraph, or in the speediest possible manner; and when so notified, companies must hold themselves in readiness for instant march to the place of rendezvous.

5. Regiments will, if time permits it, be formed of companies from the same Congressional District. If time will not allow, companies will be assigned to regiments according to the date of their report, as above designated.

6. Respect for the five regiments sent from Indiana to the Mexican War, and the avoidance of historical confusion hereafter, require that regiments should be numbered in order, beginning with the sixth.

7. Companies not already uniformed will take no step about uniforming until they know the regiment they are attached to.

8. Arms will be distributed to accepted companies as soon as possible. If not distributed before marching to the place of rendezvous, patience must be exercised.

9. If practicable, an inspecting officer will be sent to such companies, notice being given of the time of his coming.

10. Accepted companies must not wait for arms, but begin their drilling immediately.

11. All communications touching arms, place of rendezvous, and organization, must be addressed to this office.

12. Notice of time and place of general rendezvous will be given in future orders.

LEWIS WALLACE,

Adjutant General Indiana Militia

Appended, also, is a list of the companies embraced in the six regiments organized:

List of Companies tendered and accepted for the six Regiments, three months' Volunteers.

Our State furnished for the war with Mexico five regiments of volunteers, which were numbered the First to the Fifth inclusive. As a mark of respect for the memories of those connected with· said regiments, and to obviate any confusion in the minds of our people hereafter, orders were issued announcing that in organizing new regiments, they should be numbered beginning with the xth.

In view of the very natural and laudable desire of the citizens of the State generally, and especially of all those who have relatives and friends in the service, I have prepared Rosters of the Regimental and Company Officers of all organizations of troops from this State, which will constitute a lasting record, and prove of great value for reference in future years.

Permit me, at the same time, to respectfully recommend that, in publishing this report, the rolls of all our volunteers be copied and printed as a part of the report, in an appendix, and in sufficient numbers to supply each Clerk's office, Auditor's office, Recorder's office, and each County and Township Library in the State, with a copy for reference. Šuch a distribution would, at all times, enable those entitled to bounty, pensions, or back pay, to readily obtain the correct data on which to base their applications, and furnish the names of witnesses whose testimony is requisite in establishing their claims. Aside from these considerations, the value of such a report, as a historical record, would prove, in after years, to be a monument of the patriotism and gallantry of the citizens of our beloved State.

ORGANIZATION OF THE SIX REGIMENTS, THREE MONTHS' VOLUNTEERS.

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In accordance with the requisition of the Secretary of War, when the six regiments called for were completed on the 27th day of April, 1861, the following Brigade Officers were appointed and commissioned by the Governor, and immediately assumed command of the forces preparatory to their taking the field: THOMAS A. MORRIS, Brigadier General.

JOHN LOVE, Brigade Inspector, with the rank of Major.

MILO S. HASCALL, Aide-de-Camp, with the rank of Captain.