Instantly every eye turned toward one member of the herd, a large fellow who evidently was the leader. A strange purring sound issued from the mouth in the palm of one of his hands, and at the same time he started rapidly toward the bluff, followed by the entire herd.
Their speed and method of locomotion were both remarkable, springing as they did in great leaps of twenty or thirty feet, much after the manner of a kangaroo.
They were rapidly disappearing when it occurred to me to follow them, and so, hurling caution to the winds, I sprang across the meadow in their wake with leaps and bounds even more prodigious than their own, for the muscles of an athletic Earth man produce remarkable results when pitted against the lesser gravity and air pressure of Mars.
Their way led directly towar
