applied. Underwood told Terry at the conclusion of a series of chemical tests, "If you want to keep that thing out here any longer, I'm afraid you've got to think of some more effective way of examining it than I have been able to do. From a physical standpoint this artifact is in about the same position as the language of the Stroids had been semantically—completely intractable." "I'm not afraid of its being sent back to the museum now. Papa Phyfe's got his teeth into it and he won't let go until he cracks the key to this lingo." Underwood didn't believe that it would ever be solved, unless by some lucky chance they came upon a sort of Rosetta Stone which would bridge the gap between the human mind and that of the alien Stroids. Even if the Stroids were somewhat anthropomorphic in makeup as the archeologists believed, there was no indication that their minds would not be so utterly alien that no bridge would even be possible. Underwood felt seriously inclined to abandon the problem. While completely fascinating, it was hardly more soluble than was the problem of the composition of the stars in the days before the spectroscope was invented. Neither the archeologists, the semanticists, nor the physicists yet had the tools to crack the problem of the Stroids. Until the tools became available, the problem would simply have to go by the boards. The only exception was the remote possibility of a deliberate clue left by the Stroids themselves, but Underwood did not believe in miracles. His final conviction came when word came back from Dreyer, who said, "Congratulations, Phyfe," and returned the copies of the Stroid characters with a short note. "Well, that does it," said Underwood. Phyfe was dismayed by Dreyer's reply. "The man's simply trying to uphold a decaying reputation by claiming the problem can't be solved. Send it to the museum and let them begin work on it. I'll give it my entire time. You will help me, if you will, Doctor Bernard." Terry himself was becoming somewhat dismayed by the magnitude of the mystery they had uncovered. He knew Phyfe's bulldog tenacity when he tackled something and he didn't want to be tied to semantics for the rest of the term of the expedition. Underwood, however, had become immersed in X-ray work, attempting to determine the molecular structure of the artifact from a crystallographic