[I—ADRIFT IN THE DESERT]
[II—ON TO THE MOUNTAINS]
[III—THE SKELETON]
[IV—“INDIANS!”]
[V—BLUE WOLF TRIES THE BICYCLE]
[VI—TRICK RIDING]
[VII—ESCAPE]
[VIII—THE MYSTERY EXPLAINED]
[IX—A NIGHT ADVENTURE]
[X—THE STORY]
[XI—ANOTHER ESCAPE]
[XII—AT LAKE TAHOE]
[XIII—A RACE ON THE LAKE]
[XIV—THE HERMIT’S POWER]
[XV—RECOVERY]
[XVI—LOST UNDERGROUND]
[XVII—BROTHER AND SISTER]
[XVIII—OLD FRIENDS]
[XIX—BART HODGE MAKES A CONFESSION]
[XX—FRANK BECOMES ALARMED]
[XXI—ARREST AND ESCAPE]
[XXII—ISA ISBAN]
[XXIII—A KNOCK ON THE DOOR]
[XXIV—THE SHERIFF’S SHOT]
[XXV—ESCAPE—CONCLUSION]

FRANK MERRIWELL’S ALARM.

[CHAPTER I.—ADRIFT IN THE DESERT.]

Once more the bicycle boys pushed on westward, and it must be said that in spite of all their perils they were in the best of spirits.

The beautiful valley in Utah was left behind, and some time later found them on the edge of the great American Desert.

Water was not to be had, and they began to suffer greatly from thirst.

The thirst at last became so great that nearly all were ready to drop from exhaustion.

Toots was much affected, and presently he let out a long wail of discouragement.

“Land of watermillions! mah froat am done parched so I ain’t gwan teh be able teh whisper if we don’ find some warter po’erful soon, chilluns! Nebber struck nuffin’ lek dis in all mah bawn days—no, sar!”