Somebody got wise to what they were and swopped them on you for the real thing, so as to get your certified report that the stuff was gold." "I begin to see," muttered the professor.

"Somebody exchanged the samples, some person no doubt desirous of establishing the theory that a sporadic outcropping of the sort might be found in a post-tertiary formation.

I see, I see.

No doubt he intended to prepare a paper on it, and prove his thesis by these tests.

I see it all!" The demonstrator looked at the professor with a sort of pity.
"You're on!" he said, and he laughed softly to himself.
* * * * * "Well," said Dr.Boomer, after Tomlinson had left the university, "what do you make of him ?" The president had taken Dr.Boyster over to his house beside the campus, and there in his study had given him a cigar as big as a rope and taken another himself.