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CH, II.
INTRODUCTION.
15
All this is so evidently fabulous that it seems a waste of time to enter into any details about it. My reason for doing so is a wish to take advantage of the map in giving such a statement of the rules observed in interpreting the figures as is necessary in this Introduction.
The map that was preserved, it has been seen, in the eleventh century B.C., afterwards perished, and though there
The form of was much speculation about its form from the the River Map. time that the restoration of the ancient classics was undertaken in the Han dynasty, the first delineation of it given to the public was in the reign of Hui Zung of the Sung dynasty (A.D. 1101-1125)? The most approved scheme of it is the following:
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It will be observed that the markings in this scheme are small circles, pretty nearly equally divided into dark and light. All of them whose numbers are odd are light circles,1, 3, 5, 7,9; and all of them whose numbers are even are dark, -2, 4, 6, 8, 10. This is given as the origin of what is said in paragraphs 49 and 50 of Section i about the numbers of heaven and earth. The difference in the colour of the circles occasioned the distinction of them and of what they
* See Mayers' Chinese Reader's Manual, pp. 56, 57.
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