Note 309:3 — Chapter XXX
Reading edition
See Prog. Relig. Ideas, vol. i. p. 369.
"The Divine Presence called his angel of mercy and said unto him: 'Go through the midst of the city, through the midst of Jerusalem, and set the mark of Tau (Τ, the headless cross) upon the foreheads of the men that sigh and that cry for all the abominations that are done in the midst thereof.'" Bunsen: The Angel-Messiah, p. 305.