Evidently they felt sure that they would be attacked by the Texans.

They knew the nature of these riders of the plains.
"I think we've seen enough," said Obed.

"We'll go back now to Colonel Moore and the men." They found their horses undisturbed and were about to gallop back to the main body with the news that the Mexicans were on the mound, when some Mexican sentinels saw them and uttered a shout.

The three exchanged shots with them but knowing that a strong force would be upon them in an instant returned to their original intention and went at full speed toward the camp.

It was lucky that the fog still held, as the pursuing bullets went wide, but Ned heard more than one sing.