"Phat's the colonel thinkin' of?" growled O'Dwyer, as no halt sounded.

"He's not thinkin' at all!" responded the man next in alignment, sourly. "A man can't think when a slip of a girl's near by."

"He's forgot the river!" groaned the fleshy Irishman, dreading the certain plunge.

Into the stream they dashed, many of the men over their heads, for there was no turning back.

As the horses balked, Lieutenant Danvers' stallion threshed viciously, hitting O'Dwyer, and then ceased to swim.

O'Dwyer groaned, "Me a-r-rm!"

It was over in an instant. Those on shore assisted Danvers and the Irishman to land. O'Dwyer was left in Philip's care, while the rest of the men rode back, as the review must not be interrupted.

Eva saw the break in the ranks.

"Lieutenant Danvers has dropped out," she exclaimed, and straightway bit her lip.

"Philip?" hastily asked the Fort Benton doctor, on a horse near by. "Then there has been an accident!"