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
THE ALUMINUM DAGGER
THE SAND FROM THE MURDERED WOMAN'S PILLOW
HUMAN HAIR, SHOWING ROOTS
SUPERINTENDENT MILLER RISES TO THE OCCASION