I had not finished my sentence when the Professor broke out into a cry, nay, a roar. A new revelation burst in upon him. He was transformed!

“Aha, clever Saknussemm!” he cried. “You had first written out your sentence the wrong way.”

And darting upon the paper, with eyes bedimmed, and voice choked with emotion, he read the whole document from the last letter to the first.

It was conceived in the following terms:

In Snæfells Joculis craterem quem delibat umbra Scartaris Julii intra calendas descende, audax viator, et terrestre centrum attinges. Quod feci, Arne Saknussemm.

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