"They're done for! . . . Nothing but short-range Browning bullets! . . . At them!"

He himself, protecting his body with a piece of sheet-iron, ran up at full speed. Mazzani and the tramps formed up in a circle at thirty or forty yards.

"Ready!" bellowed Forsetta. "Out with your knives!"

Dolores remarked to Simon that they must not remain in their observation-post, since most of their enemies would be able to reach the foot of the fortress unseen and slip between the marble blocks. They slid through a gap which formed a chimney from the top to the ground.

"There they are! There they are!" said Dolores. "Fire now! . . . Look, here's a chink!"

Through this chink Simon saw two big ruffians walking ahead of the rest. Two shots rang out. The two big ruffians fell. The party halted for the second time, hesitating what to do.

Dolores and Simon profited by this delay to take refuge at the extreme edge of the river. Three single blocks of marble formed a sort of sentry-box, with an empty space in front of it.

"Charge!" shouted Forsetta, joining the men. "They're trapped! Mazzani and I have got them covered. If the Frenchman stirs, we'll shoot him down!"

To meet the charge, Simon and Dolores were obliged to stand up and half-expose themselves. Terrified by the Indian's threat, Dolores threw herself before Simon, making a rampart of her body.

"Halt!" ordered Forsetta, restraining his men's onrush. "And you, Dolores, you leave your Frenchman! Come! He shall have his life if you leave him. He can go: it's you I'm after!"