2012 Reprint of 1913 Edition. Exact facsimile of the original edition, not reproduced with Optical Recognition Software. "Tantra" is the name scholars give to a style of religious ritual and meditation that arose in medieval India no later than the fifth century, and which came to influence all forms of Asian religious expression to a greater or lesser degree. Strictly speaking, this usage of the word "tantra" is a scholarly invention, but it is justifiable on the basis of the fact that the scriptures that present these practices are generally known as "tantras," regardless of which religion...