[Transcriber's note: I have made several changes from the original text for this online text edition. First, although I have not indicated it here, in the original text the whole preface (with the exception of the word dukkeripens) is italicized. Next, I have changed all the sidebars to section headings. Next, the illustrations in the original text consisted of rectangular graphs and numbers, and I have made approximations of these diagrams with dashes and vertical bars. The Master Column illustration (Fig. 13) originally had shading in some of the rectangles, which I have indicated by X's. Finally, in the paragraph starting "Let it be minded..." I changed "Sex in Court Cards" to "Six in C…
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