I DEDICATE THIS BOOK

AS A MARK OF ADMIRATION AND ESTEEM

TO

THE DISTINGUISHED ENGINEER

SIR WILLIAM EDMUND GARSTIN, G.C.M.G.

ETC., ETC., ETC.

WHO HAS MEASURED AND CURBED

THE RIVER OF EGYPT

AND SET, BOUNDS TO THE FLOOD THEREOF

AND TURNED THE WILDERNESS INTO A POOL OF WATER

AND THE PARCHED PLACES INTO WATER-SPRINGS

AND MADE THE DESERT TO BLOSSOM AS THE ROSE