Before speaking of its contents, we have to state briefly under what form the book has come down to us. It is hardly necessary to repeat that it is no book at all in the ordinary sense of the word. It is neither a unity nor a whole, it is a collection which has grown by degrees, at various epochs. Undoubtedly part of it goes back as far as the Old Empire; the texts of the Middle Empire show already that there were various editions, and we are forced to admit that its origin is not much later than the beginning of Egyptian civilization, as we see that some of the rubrics attribute certain chapters to a king of the 1st dynasty. In the course of centuries the original text was modified and enlarged, new chapters were added, revisions were made, without casting these detached fragments into a whole. The various parts of the book were always independent, like the Hebrew Psalms; the acceptance of a chapter does not necessarily imply the acceptance of the next chapter, and it seems as if the relatives of the deceased chose in the collection which was at their disposal what they liked best, and the number of chapters which corresponded to the price they wished to pay for a papyrus. This description applies chiefly to the texts of the Book of the Dead of the period prior to the XXVIth dynasty. Under the Saïte kings it seems that a complete revision of the text was made; a definite order was adopted, which was not rigidly binding on the writers, but to which they generally adhered; various chapters were added, especially the last ones, 162-165, which are never found in the older copies. It seems also that something like what we should call an authorized version was adopted; and this was done by men to whom the book was hardly intelligible. A great many glosses were introduced, which were copied afterwards in all the hieroglyphic and hieratic texts. Although we do not find the strict accuracy of Hebrew manuscripts, the number of variants in the Saïte, Ptolemaïc or Roman texts is considerably smaller than in the manuscripts of the Theban period, and a collation of the hundreds of papyri of late epoch which fill our museums would lead to no great result. However, it is from a text generally considered as Saïtic, but which I believe to be of the Ptolemaïc epoch, that the Book of the Dead has been first made known in all its extent. In 1842 Lepsius published the long papyrus in the Turin Museum, a document which he called “the largest piece of Egyptian literature which has been preserved.”