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 a possible explanation which piqued her curiosity, and acting upon its suggestion she seized upon the projecting edge and pulled outward. Slowly the panel swung toward her, revealing a dark aperture in the wall behind.

"Look, Lan-O!" she cried. "See what I have found—a hole in which we may hide the thing upon the floor."

Lan-O joined her and together the two investigated the dark aperture, finding a small platform from which a narrow runway led downward into Stygian darkness. Thick dust covered the floor within the doorway, indicating that a great period of time had elapsed since human foot had trod it—a secret way, doubtless, unknown to living Manatorians. Here they dragged the corpse of E-Med, leaving it upon the platform, and as they left the dark and forbidden closet Lan-O would have slammed to the panel had not Tara prevented.

"Wait!" she said, and fell to examining the door frame and the stile.

"Hurry!" whispered the slave girl. "If they come we are lost."

"It may serve us well to know how to open this place again," replied Tara of Helium, and then suddenly she pressed a foot against a section of the carved base at the right of the open panel. "Ah!" she breathed, a note of satisfaction in her tone, and closed the panel until it fitted snugly in