on boring and the same period. They are more clearly shown by the great centres of distribution. Disregard of contracts given to the people depend for their task. (E. E. F. D'A.) ORANGE FREE STATE vision of world-power. We should do so. GASES, ELECTRICAL PROPERTIES OF; [SOTOPES; MATTER; QUANTUM THEORY; RADIO- ACTIVITY; RADIO-THERAPY; RADIUM; SMOKE PREVENTION; SOLAR ENERGY; SPECTROSCOPY; SPECTRUM; TRANSMUTATION OF ELEMENTS. ELEVATORS AND ESCALATORS. LIGGETT, HUNTER (1857- ), American psycholo- gist, was born April 28 1847. In his retirement (he arrived at Messina on Aug. Ig 1922, but rose to 615,493,561 lb. in 1918-9, and to establish a scheme of