The Roman History · Amm. 24.4.29

After the town was taken intelligence was brought to the emperor that a troop was lying in ambuscade in some concealed pits around the walls of the town just taken (of which pits there are many in those districts), with the intention of surprising the rear of our army by a sudden attack.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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