Lincoln's Proclamation of April 1861 calls for "the militia of the several States of the Union". It was like calling out the National Guard units from the states today to be federalized.
April 14, 1861
"Now, therefore, I, Abraham Lincoln, President of the United States, in virtue of the power in me vested by the Constitution and the laws, have thought fit to call forth, and hereby do call forth, the militia of the several States of the Union, to the aggregate number of seventy-five thousand, in order to suppress said combinations, and to cause the laws to be duly executed."
Lincoln's call for 300,000 in 1862 asks for, " an additional force of 300,000 men." He did not use the term "volunteers". However, my GGF said he was a volunteer in 1862 as his regiment was designated the 35th MA Vol. Infantry.
Executive Mansion, Washington, July 1, 1862
To the Governors of Maine, New Hampshire, Vermont, Connecticut, New York, New Jersey, Pennsylvania, Maryland, Virginia, Michigan, Tennessee, Missouri, Indiana, Ohio, Minnesota, Illinois, and Wisconsin, and the President of the Military Board of Kentucky:
Gentlemen: Fully concurring in the wisdom of the views expressed to me in so patriotic a manner by you in the communication of the 28th day of June, I have decided to call into the service
an additional force of 300,000 men. I suggest and recommend that the troops should be chiefly of infantry. The quota of your State would be ______. I trust that they may be enrolled without delay, so as to bring this unnecessary and injurious civil war to a speedy and satisfactory conclusion. An order fixing the quotas of the respective States will be issued by the War Department tomorrow.
Abraham Lincoln
On Aug. 4, 1862 President Lincoln called up another 300,000 men for nine months service, additional to the 300,000 he previously had requested from the States 0n July 1, 1862 for three years service. The General Oder No. 94 uses the term, "Draft", three times. "Volunteers" is found once.
General Order No. 94:
Ordered:
I. That a draft of 300,000 militia be immediately called into the service of the United States, to serve for nine months unless sooner discharged. The Secretary of War will assign the quotas to the States and establish regulations for the draft.
II. That if any state shall not by the 15th of August furnish its quota of the additional 300,000 volunteers authorized by law, the deficiency of volunteers in that State will also be made up by special draft from the militia. The Secretary of War will establish regulations for this purpose.
Lincoln in the 1863 call does use therm "Volunteers" and also refers to those previously called as "Volunteers". Lincoln also refers to the "
draft".
By the President of the United States of America
A Proclamation
Whereas the term of service of a part of the
volunteer forces of the United States will expire during the coming year; and
Whereas, in addition to the men raised by the present draft, it is deemed expedient
to call out 300,000 volunteers to serve for three years or the war, not, however. exceeding three years:
Now, therefore, I, Abraham Lincoln, President of the United States and Commander in Chief of the Army and Navy thereof and of the militia of the several States when called into actual service, do issue this my proclamation, calling upon the governors of the different States to raise and have enlisted into the United States service for the various companies and regiments in the field from their respective States their quotas of 300,000 men.
I further proclaim that all volunteers thus called out and duly enlisted shall receive advance pay, premium, and bounty, as heretofore communicated to the governors of States by the War Department through the Provost-Marshal-General's Office by special letters.
I further proclaim that all volunteers received under this call, as well as all others not heretofore credited, shall be duly credited on and deducted from the quotas established for the next
draft."
Lincoln was never consistent from 1861-1865 on his terminology for US soldiers, Militia, men, volunteers, enlisted, quotas, and draft are all used at various stages.