Five o'clock
One additional pony bore all their extra baggage , each mount being loaded with all that he could carry in addition to its rider . For tents they had brought one large enough to accommodate the entire party . This was in sections , carried on the different ponies . Five o'clock had come and gone . The sun was partly hidden by the ridge of the Guadalupes towards which the Pony Rider Boys were slowly drawing . Ned called up to the professor who was riding at the head . `` Where are we going to make camp , Professor ? ''