[746] Zarncke, 913. For Roger Bacon, see Chapter 61, page 657. [747] Zarncke, 915-16. [748] _Ibid._, 918-19. [749] Zarncke, 921. [750] _Ibid._, 922. [751] _Ibid._, 923. [752] _Ibid._, 914. [753] Text of the letter in Zarncke, 941-44. [754] Zarncke, 945, “Der Philippus, den der Papst seinen familiaris nennt, ist bis jetzt nicht nachgewiesen.” CHAPTER XLVIII THE PSEUDO-ARISTOTLE Alexander and Aristotle--Spurious writings ascribed to Aristotle--Aristotle and experiment--Aristotle and alchemy: _Meteorology_ and _On colors_--Works of alchemy ascribed to Aristotle--Aristotle and Alexander as alchemists--Aristotle and astrology--Astrology and magic in the _Theology_ and _De Pomo_ of Aristotle--_Liber de causis proprietatum elementorum et planetarum_--Other astrological treatises ascribed to Aristotle--Aristotle and 250 volumes of the Indians--Works on astrological images--And on necromantic images--Alexander as an astrologer--Aristotle and spirits--_On plants_ and the _Lapidary_--Virtues of gems--Stories of Alexander and of Socrates--Alexander’s submarine--Arabian tales of Alexander--A magic horn--More stories of Alexander and gems--Story of Alexander’s belt--The royal _Lapidary_ of Wenzel II of Bohemia--_Chiromancy_ and _Physiognomy_ of Aristotle--_The Secret of Secrets_--Its textual history--The Latin translations of John of Spain and Philip--Philip’s preface--Prominence of occult science--Absence of mysticism--Discussion of kingship--Medical discussion--Astrology--Story of the two boys--Virtues of stones and herbs, incantations and amulets--Thirteenth century scepticism--Number and alchemy--The poisonous maiden--The Jew and the Magus. [Sidenote: Alexander and Aristotle.]