The first and the last might have something to do with each other; it was not at all surprising that in a document written in Iceland there should be mention of a sea of ice; but it was quite another thing to get to the end of this cryptogram with so small a clue.
Le premier et le dernier seuls se rapprochaient facilement; rien d'étonnant que, dans un document écrit en Islande, il fût question d'une «mer de glace». Mais de là à comprendre le reste du cryptogramme, c'était autre chose.