attempt to pass the island and batteries with the _Carondelet_, was given orders to do so. He accordingly made ready, taking on board Captain Hottenstein and twenty-three sharpshooters of the 42d Illinois. The sailors were all armed; hand-grenades were placed within reach, and hoses were attached to the boilers for throwing scalding water to drive off boarding parties. Thus prepared, the _Carondelet_, on the night of April 4th, "in the black shadow of a thunderstorm," safely passed the island and batteries. It was fired on, but reached New Madrid without the loss of a man. The _Pittsburg_, under Lieutenant-Commander Thompson, in like manner ran the gauntlet without injury, also in a thunderstorm, April 7th. These two gunboats the same day attacked successfully the Confederate batteries on the east shore and covered the crossing of Pope's army. Seeing that escape was not possible, the garrison on the island surrendered to Flag Officer Foote on April 7th, the same day the Confederates were driven from the field of Shiloh. Pope pursued and captured, on the morning of the 8th, nearly all the retreating troops. General W. W. Mackall, commanding at Island No. 10, and two other general officers, over 5000 men, 20 pieces of heavy artillery, 7000 stand of arms, and quantities of ammunition and provisions were taken without the loss of a Union soldier.(19) Not until April 30th did Halleck's army move on Corinth. Grant, though nominally in command of the right wing, was little more than an observer, as orders were not even sent through him to that wing. For thirty days Halleck moved and intrenched, averaging not to exceed two thirds of a mile a day, until he entered Corinth, May 30th, to find it completely evacuated. He commenced at once to build fortifications for 100,000 men. But the dispersion of this grand army soon commenced; the Army of the Ohio (Buell's) was sent east along the line of the Memphis and Charleston Railroad, with orders to repair the road as it proceeded. We shall soon meet this army and narrate its future movements to the Ohio River--in retreat _after_ Bragg's army. Grant, chafing under his treatment, on Corinth being occupied, at his own request was relieved from any duty in Halleck's department. Later, on Sherman's advice, he decided to remain, but to transfer his headquarters to Memphis, to which place he started, June 21st, on horseback with a small escort.