"Take this!" said the slender lady, and she gave my brother her
revolver.

"Go back to the chaise," said my brother, wiping the blood from his
split lip.

She turned without a word--they were both panting--and they went
back to where the lady in white struggled to hold back the frightened
pony.

The robbers had evidently had enough of it.  When my brother looked
again they were retreating.