power’ they have said to me,” (writes Robartes) “‘will be with us, who are as like one another as the grains of sand, but when the revelation comes it will not come to the poor but to the great and learned and establish again for two thousand years prince & vizier. Why should we resist? Have not our wise men marked it upon the sand, and it is because of these marks, made generation after generation by the old for the young, that we are named Judwalis.’” Their name means makers of measures, or as we would say, of diagrams. TRANSCRIBER’S NOTE In this plain text version, italics in the text have been replaced with _underscores_. A description has been added for a line drawing in the original text. The nested quotation marks near the end of the Notes have been corrected from the printed text.