XI. THEY BELIEVE IT IS THE POLAR SEA

XII. CAPTAIN HUBBELL TAKES COMMAND

XIII. LONGITUDE EVERYTHING

XIV. A REGION OF NOTHINGNESS

XV. THE AUTOMATIC SHELL

XVI. THE TRACK OF THE SHELL

XVII. CAPTAIN HUBBELL DECLINES TO GO WHALING

XVIII. MR. MARCY'S CANAL

XIX. THE ICY GATEWAY

XX. "THAT IS HOW I LOVE YOU"

XXI. THE CAVE OF LIGHT

XXII. CLEWE'S THEORY

XXIII. THE LAST DIVE OF THE DIPSEY

XXIV. ROVINSKI COMES TO THE SURFACE

XXV. LAURELS