Grant had not anticipated the attack of the rebels on Sunday; on the contrary, he had fully intended to move against them, as soon as Buell should appear; for although Halleck had cautioned him repeatedly against bringing on a general engagement until he was strong enough to beat the enemy, he had also told Grant to go on and ‘win new victories,’ when reenforcements should arrive. On this Grant meant to act, and so informed his subordinates. The delay of Buell, although not absolutely inexcusable, was undoubtedly greater than any necessity existed for. A dozen commanders in the national army would have built bridges, and moved their force with double the rapidity and energy that Buell displayed, especially with troops who knew so well how to march, and were so eager to get into battle, as the Army of the Ohio. But Buell, in his whole career, never got rid of his excessive deliberation. His ordinary characteristics are sufficient explanation of his tardiness in this instance, without attributing it to any unwillingness to serve under one who had hitherto been his junior.
There can be no doubt, however, of the immense advantage that Buell's arrival, when it did occur, afforded to Grant; no doubt that Grant looked long and anxiously for Buell's advance, on that memorable