CONTENTS OF THE SECOND VOLUME. xi 



ATMOLOGY. 

 CHAPTER III THE RELATION OP VAPOUR AND AIR. 



PAGE 



Seel. 1. The Boylean Law of the Air's Elasticity . 556 



Sect . 2. Prelude to Dalton's Doctrine of Evaporation . 558 



Sect. 3. Dalton's Doctrine of Evaporation . . . 566 

 Sect. 4. Determination of the Laws of the Elastic Force 



of Steam 571 



Sect. 5. Consequences of the Doctrine of Evaporation. 



Explanation of Rain, Dew, and Clouds . 575 



CHAPTER IV. PHYSICAL THEORIES OP HEAT 582 



Thermotical Theories 583 



Atmological Theories . 588 



Conclusion . ... 592 



