"Shoot their pants!" He did not mean it as a jest.

The words just jumped out, and true to their meaning the Invincibles fired straight at that long line of red, and then reloading fired again.

The Zouaves were cut to pieces, the field was strewed with their brilliant uniforms.

A few officers tried to bring on the scattered remnants, but two regiments of regulars, sweeping in between and bearing down on the Invincibles, saved them from extermination.
The Invincibles would have suffered the fate they had dealt out to the Zouaves, but fresh regiments came to their help and the regulars were driven back.

Sherman and Jackson were still fighting face to face, and Sherman was unable to advance.