his call left New-York on the seventeenth June.
In anticipation of the accumulation of a large body of troops in the neighborhood of Harrisburgh, I despatched, on the seventeenth, Dr. Wm. F. Swalm, Inspector of the Sanitary Commission, with Mr. Isaac Harris, relief agent, to that point.
They arrived at Harrishurgh before any troops, and made diligent preparation to lend such assistance as might be required.
They remained on the ground till the enemy had re-crossed the Potomac into Virginia, a, Shippensburgh, Chambersburgh, and Boonsborough, visiting camps and hospitals, and pushing forward such extra governmental supplies as were found wanting.
The accompanying reports exhibit the activity, and the relief afforded by Dr. Swalm and Mr. Harris to the hurriedly constructed hospital organizations of the militia forces.
The main body of the enemy having crossed the Potomac near Williamsport, about the twenty-seventh of the month, the design and direction of the movement began to be a