In his garden, Negu Mah, the Callisto uranium merchant, sat sipping a platinum mug of molkai with his guest, Sliss the Venusian. Nanlo, his wife, pushing before her the small serving cart with its platinum molkai decanter, paused for an instant as she entered the shell of pure vitrite which covered the garden, giving it the illusion of out-of-doorness. Negu Mah sat at his ease, his broad, merry, half-Oriental face good-humored, his features given a ruddy tinge by the light of rising Jupiter, the