Binney Gibbs was already half-way to it; and, as Glen caught sight of him, he was amazed at a most extraordinary performance. Binney suddenly flew from his saddle, not over his mule's head, as though the animal had flung him, but sideways, as though he had jumped. Whether he left the saddle of his own accord or was flung from it the effect was the same; and the next instant he was sprawling at full length on the soft grass, while the mule, relieved of his weight, was making better time than ever towards the wagons.