They were doomed.
The sun rose higher, pouring a golden light upon the plain.

The distance to the Mexican lines was in appearance reduced half by the vivid light.
Then Ned of the keen eye saw a dark line far off to their right on the prairie.

He watched them a little, and saw that they were Mexican cavalry, coming to swell still further Urrea's swollen force.

He also saw two cannon drawn by mules.
Ned pointed out the column to Wallace, a Major among the Texans, and then Wallace used a pair of glasses.
"You are right," he said.

"They are Mexicans and they have two pieces of artillery.