About ten o'clock
`` We ca n't get too far away from the railroad , '' explained Billie , `` or we shall miss Don and his company . They are coming out for just such an emergency . '' They rode rapidly forward for a couple of hours and then , turning sharply off the highway , took to the woods which now grew dense all along the mountain sides . About ten o'clock they stopped for breakfast and then all took a nap until the sun drew near the western horizon . `` We should reach our rendezvous with Don about dark , '' explained Billie , `` and that would get us into Vera Cruz about daylight . '' As they approached the appointed spot , Billie and Adrian , ever on the alert , noticed almost as one that the place had a changed appearance and mentioned it to the others . `` What do you mean ? ''