APPENDIX
PASSAGE FROM CHAPTER 72 OF THE KORAN,
ON GENII.
Mahomet, in the seventy-second chapter of the Koran alludes to the visitation of the genii in the valley of Naklan, making them give the following frank account of themselves:
"We formerly attempted to pry into what was transacted in heaven, but we found the same guarded by angels with flaring darts; and we sat on some of the seats thereof to hear the discourse of its inhabitants: but who so listeneth now finds a flame prepared to guard the celestial confines. There are some among us who are Moslems, and there are others who swerve from righteousness. Whoso embraces Islamism seeketh the true direction; but those who swerve from righteousness shall be fuel for the fire of Jehennam."
THE ARAB IDEA OF EVOLUTION
"When common people," says Khazini, writing in the twelfth century, "hear from natural philosophers that gold is a body which has attained to perfection of maturity, to the goal of completeness, they firmly believe that it is something which has gradually come to that perfection by passing through the forms of all other metallic bodies, so that its gold nature