CONTENTS


I. THE MAN WITH THE NAILED SHOES
II. THE STRANGER'S LATCHKEY
III. THE ANTHROPOLOGIST AT LARGE
IV. THE BLUE SEQUIN
V. THE MOABITE CIPHER
VI. THE MANDARIN'S PEARL
VII. THE ALUMINIUM DAGGER
VIII. A MESSAGE FROM THE DEEP SEA




ILLUSTRATIONS


PROFESSOR POPPLEBAUM IS ENLIGHTENED, _Frontispiece_
PLAN OF ST. BRIDGET'S BAY
THE SERGEANT'S SKETCH
FLUFF FROM KEY-BARREL
THE STRANGER IS RUN TO EARTH
TRANSVERSE SECTIONS OF HUMAN HAIR
THORNDYKE'S STRATEGY
THE DISCOVERY
THE MOABITE CIPHRE
THE PROFESSOR'S ANALYSIS
THE APPARITION IN THE MIRROR