Quambo on hearing the sounds started up, snapping his fingers, kicking up his legs, and whirling round and round in time to the tune.  The Indian, grave as was his exterior, forthwith joined him, out-vying him in his leaps, and adding the wildest shrieks and shouts.  I could not long resist their example, and in a few minutes even Uncle Mark was dancing away as vigorously as any of us; Mike all the time kicking his heels, and bobbing his head with a rapidity which seemed to threaten the dislocation of his neck.  It was the wildest scene imaginable, and any one observing us would have supposed that we had all gone mad.