The Roman History · Amm. 17.1.8

And when we had penetrated a distance of ten miles, till we came near a wood terrible from the denseness of its shade, our army halted for a while, and stayed its advance, having learnt from information given by a deserter that a number of enemies were concealed in some subterranean passages and caverns with many entrances in the neighbourhood, ready to sally forth when a favourable opportunity should appear.

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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