The supplies were entirely exhausted.

The summer had been unusually hot.

The shrunken waters of the Pegnitz were putrid and stinking, the carcasses of dead horses poisoned the air, and fever and pestilence raged in the camp.

Leaving, then, Kniphausen with eight thousand men to aid the citizens of Nuremberg to defend the city should Wallenstein besiege it, Gustavus marched on the 8th of September by way of Neustadt to Windsheim, and there halted to watch the further movements of the enemy.
Five days later Wallenstein quitted his camp and marched to Forsheim.
So far the advantage of the campaign lay with him.

His patience and iron resolution had given the first check to the victorious career of the Lion of the North.
Munro's regiment, as it was still called--for he was now its full colonel, although Lieutenant Colonel Sinclair commanded it in the field--had suffered terribly, but less, perhaps, than some of those who had in vain attempted to force their way up the slopes of the Alte Veste; and many an eye grew moist as at daybreak the regiment marched into its place in the ranks of the brigade and saw how terrible had been the slaughter among them.