The moon was not yet up. By keeping within the bushes that grew thickly hereabouts, Delabar was able to escape observation from a chance passerby. The man was plainly frightened; but Gray allowed him no opportunity to bolt.
"You'll stay with me until I see Mary Hastings," he whispered warningly.
A plan was forming in the American's mind—a plan based on what Delabar had told him of the arrangement of the buildings of Sungan. The lepers, he knew, lived in the outer ruins, where he had seen them that afternoon. In the center of the Sungan plain, Delabar said, was a depression of considerable extent. Here were the temples and palaces, the towers of which he had seen.
This, the old city, was surrounded by a wall. Delabar said it was occupied by the priests. And in this place Mary Hastings might be found. It was a guess; but a guess was better than nothing.
When they came to the first stone heaps, Gray halted his guide.
"You told me once," he whispered, "that Sungan had a series of underground passages. Take me down into these."
"Through the lepers' dwellings?"
Gray nodded silently. Delabar was shivering—an old trick of his, when nervous.
"It is madness, Captain Gray!" he chattered. "You do not know——"
"I know what you told me. Likewise that you don't want me to get into these temples. Step out!"