Sentence:  [http://books.google.com/books?id=1akAAAAAYAAJ&pg=PA15&dq=heptagram page 15]: The exercise may be varied by tracing the <WSD>Heptagram</WSD>, <!--[sic] capitalization--> "i. e.", passing from one point to another of a regular Heptagon in this order — 1, 4, 7, 3, 6, 2, 5, 1. / [http://books.google.com/books?id=1akAAAAAYAAJ&pg=PA81&dq=heptagram page 81]: If the hand is stiff, it may be loosened and trained into tune with Nature's formative processes by the practice of drawing the Pentagram and <WSD>Heptagram</WSD>. 
Meaning of the word marked with <WSD> tags:  Either of two regular seven-pointed stars, drawn with the construction lines retained; a heptangle.