Chapter 22 The Jet of Light.—The Missionary.—The Rescue in a Ray of Electricity.—A Lazarist Priest.—But little Hope.—The Doctor's Care.—A Life of Self-Denial. —Passing a Volcano. Dr. Ferguson darted his powerful electric jet toward various points of space, and caused it to rest on a spot from which shouts of terror were heard. His companions fixed their gaze eagerly on the place. The baobab, over which the balloon was hanging almost mo-tionless, stood in the centre of a clearing, where, between fields of Indian-corn and sugar-cane, were seen some fifty low, conical huts, around which swarmed a numerous tribe. A hundred