Book X, which purports to be a summary of the whole

work, he tells us that having now gone through the "labyrinth of heresies," it will be shown that the Truth is not derived from " the wisdom (philosophy) of the Greeks, the secret mysteries of the Egyptians,2 the fallacies of the
1 TO. /XVCTTlKa..
2 AlyvTTTiwv Soyfiara . . . ws apprjTa 5t5a^0ets,
65
66 PHILOSOPHUMENA
astrologers, or the demon-inspired ravings of the Babylon- ians." The Greek philosophy and astrological fallacies are dealt with at sufficient length in Books I and IV respectively, but nothing of importance is said in these or elsewhere in the work as to the mysteries of the " Egyptians," by whom he probably means the worshippers of the Alexandrian divinities, and nothing at all as to Babylonian demonolatry or magic. It is quite true that he follows this up immedi- ately by the statement that he has included the tenets of all the wise men among the Greeks in four books, and the doctrines of the heretics in five ; but it has been explained in the Introduction (pp. 18 ff. supra) that there are reasons why the summarizer's recollection of the earlier books may not be verbally accurate, nor does he say that the description of the philosophic and heretical teachings exhausted the contents of the first four books. On the whole, therefore, Cruice appears to be justified in his conclusion that the missing books contained an account of the "Egyptian" Mysteries and of "the sacred sciences of the Babylonians.")1
1 M. Adhemar d'Ales in his work La Thiologie de St. Hippolyte, Paris, 1906, argues that the existing text of Book IV contains large fragments of the missing Books II and III. His argument is chiefly founded on the supposed excessive length of Book IV, although as a fact