The spheroidal condition of liquids .-- Why the hand may be dipped in molten metals .-- Principles of heat resistance put to practical uses: Aldini, 1829 .-- In early fire-fighting .-- Temperatures the body can endure VIII.

Sword-swallowers: Cliquot, Delno Fritz, Deodota, a razor-swallower, an umbrella-swallower, William Dempster, John Cumming, Edith Clifford, Victorina IX.

Stone-eaters: A Silesian in Prague, 1006; Francois Battalia, ca.
1641; Platerus' beggar boy; Father Paulian's lithophagus of Avignon, 1760; "The Only One in the World," London, 1788; Spaniards in London, 1790; a secret for two and six; Japanese training .-- Frog-swallowers: Norton; English Jack; Bosco; the snake-eater; Billington's prescription for hangmen; Captain Veitro .-- Water spouters; Blaise Manfrede, ca.
1650; Floram Marchand, 1650 X.

Defiers of poisonous reptiles: Thardo; Mrs.Learn, dealer in rattle-snakes .-- Sir Arthur Thurlow Cunynghame on antidotes for snake-bite .-- Jack the Viper .-- William Oliver, 1735 .-- The advice of Cornelius Heinrich Agrippa, (1480-1535) .-- An Australian snake story .-- Antidotes for various poisons XI.

Strongmen of the eighteenth century: Thomas Topham (died, 1749); Joyce, 1703; Van Eskeberg, 1718; Barsabas and his sister; The Italian Female Sampson, 1724; The "little woman from Geneva," 1751; Belzoni, 1778-1823 XII.