Giesar, a boiling fountain in Iceland. Water with great degrees of heat dissolves siliceous matter. Earthquake from steam 150 Warm springs not from decomposed pyrites. From steam rising up fissures from great depths 166 Buxton bath possesses 82 degrees of heat. Is improperly called a warm bath. A chill at immersion, and then a sensation of warmth, like the eye in an obscure room owing to increased sensibility of the skin 184 Water compounded of pure air and inflammable air with as much matter of heat as preserves it fluid. Perpetually decomposed by vegetables in the sun's light, and recomposed in the atmosphere 204 Mythological interpretation of Jupiter and Juno designed as an emblem of the composition of water from two airs 260 Death of Mrs. French 308 Tomb of Mr. Brindley 341 Invention of the pump. The piston lifts the atmosphere above it. The surrounding atmosphere presses up the water into the vacuum. Manner in which a child sucks 366 Air-cell in engines for extinguishing fire. Water dispersed by the explosion of Gunpowder. Houses preserved from fire by earth on the floors, by a second ceiling of iron-plates or coarse mortar. Wood impregnated with alabaster or flint 406 Muscular actions and sensations of plants 460 River Achelous. Horn of Plenty 495 Flooding lands defends them from vernal frosts. Some springs deposit calcareous earth. Some contain azotic gas, which contributes to produce nitre. Snow water less serviceable 540 CANTO IV. Cacalia produces much honey, that a part may be taken by insects without injury 2 Analysis of common air. Source of azote. Of Oxygene. Water decomposed by vegetable pores and the sun's light. Blood gives out phlogiston and receives vital air. Acquires heat and the vivifying principle 34 Cupid and Psyche 48 Simoom, a pestilential wind. Described. Owing to volcanic electricity. Not a whirlwind 65 Contagion either animal or vegetable 82 Thyrsis escapes the Plague 91 Barometer and air-pump, Dew on exhausting the receiver though the hygrometer points to dryness. Rare air will dissolve or acquire more heat, and more moisture, and more electricity 128 Sound propagated best by dense bodies, as wood, and water, and earth. Fish in spiral shells all ear 164 Discoveries of Dr. Priestley. Green vegetable matter. Pure air contained in the calces of metals, as minium, manganese, calamy, ochre 166 Fable of Proserpine an antient chemical emblem 178 Diving balloons supplied with pure air from minium. Account of one by Mr. Boyle 195 Mr. Day. Mr. Spalding 217 Captain Pierce and his daughters 219 Pestilential winds of volcanic origin. Jordan flows through a country of volcanos 294 Change of wind owing to small causes. If the wind could be governed, the products of the earth would be doubled, and its number of inhabitants increased 308