All bodies are immersed in the matter of heat. Particles of bodies do not touch each other. 97

Gradual progress of the formation of the earth, and of plants and animals. Monstrous births 101

Fixed stars approach towards each other, they were projected from chaos by explosion, and the planets projected from them 105

An atmosphere of inflammable air above the common atmosphere principally about the poles 123

Twilight fifty miles high. Wants further observations 126

Immediate cause of volcanos from steam and other vapours. They prevent greater earthquakes 152

Conductors of heat. Cold on the tops of mountains 176

Phosphorescent light in the evening from all bodies 177

Phosphoric light from calcined shells. Bolognian stone. Experiments of
Beccari and Wilson 182

Ignis fatuus doubtful 189