months' regiments to be discharged from the Army of the Potomac subsequent to May 20, 1863, the date of the last return; also the strength of those regiments. It will be seen that between May 20 and the last of June we shall lose by expiration of service alone nearly 16,000 men.

Very respectfully, your obedient servant,

JOSEPH HOOKER,

Major-General, Commanding.

[Inclosure.]

Statement, May 27, 1863, showing the list of regiments, two-years' and nine-months', serving with the Army of the Potomac, whose term of service expires subsequent to May 20, 1863.

State. Regiment. When mustered in.

New York Twelfth. April 21, 1861-Jan. 31, 1862.

Do Fifteenth. June 17, 1861.

Do Twenty-second. June 5, 1861.

Do Twenty-fifth. June 13-26, 1861.

Do Twenty-seventh. May 21, 1861.

Do Twenty-eighth. May 22, 1861.

Do Twenty-ninth. June 6, 1861.

Do Thirtieth. June 1, 1861.

Do Thirty-first. May 24-June 18,

1861.

Do Thirty-second. May 31, 1861.

Do Thirty-third. May 22, 1861.

Do Thirty-fourth. June 15-16, 1861.

Do Thirty-fifth. June 11, 1861.

Do Thirty-sixth. June 17-June 4,

1861.

Do Thirty-seventh. June 7, 1861.

Do Thirty-eighth. June 8, 1861.

Maine Second. May 28, 1861.

Do Tenth. Oct. 4-5, 1861.

New Jersey Twenty-first. Sept. 15, 1862.

Do Twenty-second. Sept. 22, 1862.

Do Twenty-third. Sept. 13-23, 1862.

Do Twenty-fourth. Sept. 16-24, 1862.

Do Twenty-sixth. Sept. 18, 1862.

Do Twenty-eighth. Sept. 22, 1862.

Do Twenty-ninth. Sept. 20, 1862.

Do Thirtieth. Sept. 17, 1862.

Do Thirty-first. Sept. 17, 1862.

Pennsylvania One hundred and August 10-30,

twenty-eighth. 1862.

Do One hundred and August 9-Sept. 11,

thirtieth. 1862.

Do One hundred and August 12-29,

thirty-third. 1862.

Do One hundred and August 11-22,

thirty-fourth. 1862.

Do One hundred and August 13-23,

thirty-sixth. 1862.

Do One hundred and August 12-28,

thirty-seventh. 1862.

Do One hundred and Oct. 20-Nov. 25,

fifty-first. 1862.

Do One hundred and Sept. 12-Oct. 24,

fifty-third. 1862.

Do One hundred and Sept. 2-Oct. 7,

fifty-fifth. 1862.

Period of Expiration of Strength.

enlistment. service.

Two years 1864. Jan. 31 1863. 261

do June 17 568

do June 5 489

do June 26 308

do May 21 553

do May 22 512

do June 6 436

do June 1 462

do June 18 414

do May 31 491

do May 22 492

do June 16 521

do June 11 623

do July 4 474

do June 7 584

do June 8 385

do May 28 90

do Oct. 5 482

Nine months June 15 769

do June 22 702

do June 23 520

do June 24 425

do June 18 840

do June 22 409

do June 20 592

do June 17 643

do June 17 677

do May 30 604

do June 11 404

do May 29 565

do May 22 516

do May 23 458

do May 28 678

do August 25 534

do July 24 792

do July 7 487

18,760

May, 1863 (two years)............................. 2,138

May, 1863 (nine months)........................... 2,821

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4,959

June, 1863 (two years)............................ 4,790

June, 1863 (nine months).......................... 5,981

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10,771

July, 1863 (two years)............................ 474

July, 1863 (nine months).......................... 1,279

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1,753

August, 1863 (nine months)........................ 534

October, 1863 (two years)......................... 482

January, 1864 (two years)......................... 261

------

18,760

JOSEPH HOOKER,

Major-General, Commanding.

S. WILLIAMS,

Assistant Adjutant-General.