What was that?
Did you see it, Frank ?" "What was what ?" "I forgot that you are not using glasses.

I caught a momentary glitter in the woods.

I think it was a sunbeam passing through the leaves and striking upon the polished barrel of a rifle.

Ah! there it is again! And Colonel Winchester has seen it too." The colonel and his senior officers were now gazing intently at the point in the wood where Dick had twice seen the gleam, and, keener-eyed than they, he continued to search the leafy screen through his own glasses.

Soon he saw bayonets, rifles, horses and men advancing swiftly, and then came two of their own scouts galloping.
"The enemy is advancing!" they cried.