Read it through once

At last an exultant yell went along the quivering line. The firing dwindled from an uproar to a last vindictive popping. As the smoke slowly eddied away, the youth saw that the charge had been repulsed. The enemy were scattered into reluctant groups. He saw a man climb to the top of the fence, straddle the rail, and fire a parting shot. The waves had receded, leaving bits of dark _débris_ upon the ground.