ancient, altar in doorway, [108];

earliest form of temple in, [144];

religions of, and serpent as symbol, [235].

Meydoom, stepped pyramid of, in Egypt, [126].

“Mezuza,” covenant record at door-way, [69] f.

Middle Empire of Egypt:

disappearance of door form in, [106];

temples of, [155].

“Midsummer Day” festival in Russia, [42].

“Mihrab,” or prayer niche, probable origin of its form, [108].