Note 187 — Chapter III · CAMPAIGN AGAINST THE HELVETII. (Year of Rome 696.) (Book I. of the “Commentaries.”)
Reading edition
De Bello Gallico, I. 24.—In the phalanx, the men of the first rank covered themselves with their bucklers, overlapping one another before them, while those of the other ranks held them horizontally over their heads, arranged like the tiles of a roof.