Edgar Rice Burroughs,
Tarzan and the Jewels of Opar
(1918)
“ Even then Achmet Zek did not advance, fearful as he was of some such treachery as he himself might have been guilty of under like circumstances; nor were his suspicions groundless, for the Belgian, no sooner had he passed out of the range of the Arab's vision, halted behind the bole of a tree, where he still commanded an unobstructed view of his dead horse and the pouch, and raising his rifle covered the spot where the other's body must appear when he came forward to seize the treasure. ”
