"Hard luck for some poor poilus!" murmured Don.

With a bit of clever maneuvering he brought his car alongside of the other two, then both he and Dunstan sprang to the ground.

"The Boches have been presenting us with some pretty heavy salutes this morning." The same young chap as before, speaking very cheerfully, imparted the information. "And if you don't believe it"—he smiled—"I can make you acquainted with the sight of several new and jolly big shell-holes."

"I told Don that something was happening in this direction, Ravenstock," replied Dunstan. "The worst for a long time, eh?"

"Well, rather. Enough, too, to make the abri look pretty good to us—n'est-ce pas, Messieurs Rice, Batten and Vincent?"

The Americans appealed to agreed, though all seemed to regard the matter as of little importance. Constant association with danger and thrills had long before accustomed them to the strain.

In another moment Don and Dunstan were following the others into the shelter.


[CHAPTER IV]

UNDERGROUND