The descent became sharper. At times he slid down long grades of limestone. Now and then he came to sharp drops where little waterfalls had once been. But there was usually sand below and he was able to leap down without much harm, other than a jolt or two.
But once he came to one of these drops that must have measured a hundred feet. He found a few rocky steps where the little precipice met the wall and clambered down, but it was rough going, and he had to make a jump for it at the last.
* * * * *
Picking himself up and dusting the sand from his clothes he thought he saw a white gleam over against the wall. His light found a squat skeleton sitting there grimacing at him. He touched the skull and it fell to powder. Here was one of the dwarfs--a Neebling--but the bones did not belong to this age; the poor fellow must have lain there for centuries.
Doctor Jack Odin was never able to get all of his medical training out of his mind. Examining the skeleton he found that both legs