The Callistan menace.--Ring around the sun.--The magnificent possession.--Trends.--The weapon too dreadful to use.--Black friar of the flame.--Half-breed.--The secret sense.--Homo sol.--Half-breeds on Venus.--The imaginary.--Heredity.--History.--Christmas on Ganymede.--The little man on the subway.--The hazing.--Super-neutron.--Not final!--Legal rites.--Time pussy.--Author! Author!--Death sentence.--Blind alley.--No connection.--The endochronic properties of resublimated thiotimoline.--The red queen's race.--Mother earth.