Steady as on a review the six cohorts bore down into action.

And when they struck the great mass of horsemen they thrust their pila into the riders' eyes and prodded the steeds.

The foremost cavalrymen drew rein; the horses reared.

The squadrons were colliding and plunging.

In an eye's twinkling their momentum had been checked.
"Charge! Charge!" Drusus sent the word tossing down along the cohorts, and the legionaries pressed forward.