CONTENTS.

I.[An Important Commission]
II.[The Boys Meet an Old Friend,—and an Enemy]
III.[A Tramp with Field-Glasses]
IV.[A Plot Discovered]
V.[Two Rascals get a Shock]
VI.[The Start for the ’Glades]
VII.[A Night Attack]
VIII.[The Men of the Island]
IX.[A Message from the Unknown]
X.[The Captive’s Warning]
XI.[The Black Squall]
XII.[Pork Chops Proves His Metal]
XIII.[The Front Door of the ’Glades]
XIV.[Close Quarters with ’Gators]
XV.[An Island Mystery]
XVI.[The Boys Make an Acquisition]
XVII.[The Everglades in an Aeroplane]
XVIII.[A Night Alarm]
XIX.[On the Mound-Builders’ Island]
XX.[Captain Bellman’s Island]
XXI.[A Bold Dash]
XXII.[Ben Stubbs Disappears]
XXIII.[The Boy Aviators Trapped]
XXIV.[A Startling Meeting]
XXV.[Quatty as a Scout]
XXVI.[Lathrop as an Air Pilot]
XXVII.[Hemmed in by Flames]
XXVIII.[The Black Aeroplane]
XXIX.[The Last of Bellman’s Crew]

THE BOY AVIATORS ON SECRET SERVICE;

OR,

WORKING WITH WIRELESS.

CHAPTER I.
AN IMPORTANT COMMISSION.

“Come in!”

The gray-haired man who uttered these words gazed sharply up at the door of the private office of the Secretary of the Navy’s Bureau, at Washington, D. C., as he spoke. He was evidently anticipating callers of more than usual importance judging from his expectant look. The old negro who had knocked opened the door and respectfully stood waiting.

“Well, Pinckney?”