the further knowledge that any visitors would have the strongest of possible reasons to hide themselves away.

He believed that there were Darians here, and the girl in the Med ship—so he also believed—was a Darian. But any who might be hiding had so much to lose if they were discovered that they might be hundreds or even thousands of miles from anywhere a space-ship would normally land—if they hadn't fled after the incident of the space-ship's departure with its load of doomed passengers.

Considered detachedly, the odds were that there was again a food-shortage on Dara. That blueskins, in desperation, had raided or were raiding or would raid the cattle-herds of Orede for food to carry back to their home planet. That somehow the miners on Orede had found that they had blueskin neighbors, and died of the consequences of their terror. It was a risky guess to make on such evidence as Calhoun considered he had, but no other guess was possible.

If his guess was right, he was under some obligation to do exactly what he believed the girl considered her mission, to warn all blueskins that Weald would presently try to find them on Orede, when all hell must break loose upon Dara for punishment. But if there were men here, he couldn't leave a written warning for them in default of friendly contact. They might not find it, and a search-party of Wealdians might. All he could possibly do was try to make contact and give warning by such means as would leave no evidence behind that he'd done so. Weald would consider a warning sure proof of blueskin guilt.

It was not satisfactory to be limited to broadcasts which might not be picked up, and were unlikely to be acknowledged. But he settled down with the communicator to make the attempt.