midnight
The General looked at me between puffs of his cigar . `` I hear you 've ridden over fifty miles to-day . '' `` Yes , General . '' `` If I give you a good fresh horse can you go twenty-three miles more by midnight ? '' `` Yes , General , if I do n't have to save the horse . '' `` The horse may have to save you , '' drawled the Arkansan . `` I think you know Lieutenant Durand ? ''