XVI It was a dank fog-shrouded morning. Sometime during the night the quill of the dead reckoner had traced its fine red line over the 30th meridian. Roughly half-way, Charles Orsino thought, rubbing the sleep from his eyes. But the line was straight as a string for the last four hours of their run. The damn girl must have fallen asleep on watch. He glared at her in the bow and broke open a ration. Blandly oblivious to the glare, she said: "Good morning." Charles swallowed a mouthful of chocolate, half-chewed, and choked on it. He reached hastily for water and found the tall plastic column of the ion-exchange apparatus empty. "Damn it," he snarled, "why didn't you refill this thing when you emptied it? And why didn't you zig-zag overnight? You're utterly irresponsible." He hurled the buc

