OF THE 123d Regt. O. V. I. ORGANIZATION OF REGIMENT.—CALL UNDER WHICH IT WAS RECRUITED.—ORGANIZATION OF EACH COMPANY AND BY WHOM RECRUITED.—MUSTER IN ROLL OF EACH COMPANY, ALSO OF FIELD AND STAFF. CHAPTER I. The 123d Regiment was organized under the second call for six hundred thousand troops, and was recruited during the months of August and September, 1862, in the counties of Erie, Huron, Seneca, Crawford and Wyandotte, and was rendezvoused at Monroeville, Huron county, Ohio; some companies arriving late in August, while all were in camp early in September. Gen. J. A. Jones was post commander, and assigned companies to their quarters as they arrived, saw that they were properly subsisted, &c. All the companies, except K, were mustered into the United States Service by Capt. E. W. H. Read of the 8th U. S. Infantry, on the 24th and 29th days of September; company K was mustered in by Capt. Chas. C. Goddard of the 17th Infantry, on the 16th of October, the day we left for the seat of war. Company A was recruited in Wyandotte county by Capt. J. W. Chamberlin, and was mustered into the service at Monroeville, Ohio, September 24, as follows: CAPTAIN. JOHN W. CHAMBERLIN. 1ST LIEUTENANT. VILL R. DAVIS. 2D LIEUTENANT. ANDREW R. INGERSON. SERGEANTS. 1st. James B. Pumphrey, 2d. William F. Bason, 3d. Henry S. Kaley, 4th. Joseph Roll, 5th. James H. Boroff. CORPORALS. 1st. Stephan A. McKinzie, 2d. Daniel W. Nichols, 3d. Edward P. Cozier, 4th. Nathaniel L. Robinson, 5th. William S. Rifenberry, 6th. Reuben W. Smith, 7th. William H. Eyestone, 8th. Benjamin R. Reynolds. MUSICIANS. Rufus W. Lundy, John Emerson. TEAMSTER. Able S. Thompson. PRIVATES.