<head>The Testudo</head>Heracleum was taken in a peculiar manner. The town had a low wall of no great extent on one side, and to attack this the Romans employed three picked maniples.
The men of the first held their shields over their heads, and closed up, so that, owing to the density of the bucklers, it became like a tiled roof. The other two in succession . . .
Walbank Commentary