With an introduction by

Major-General W. S. BRANCKER

(Deputy Director-General of Military AËronautics)

Garden City — New York
DOUBLEDAY, PAGE & COMPANY
1918

Copyright, 1917, by
Doubleday, Page & Company
All rights reserved,
including that of translation into foreign languages,
including the Scandinavian

DEDICATED
TO
THE FALLEN OF UMPTY SQUADRON, R.F.C.
JUNE-DECEMBER 1916