x CONTENTS OF THE SECOND VOLUME. 



PAGB 



3. Elliptical Polarization in Quartz .... 485 



4. Differential Equations of Elliptical Polarization . 486 



5. Elliptical Polarization of Metals .... 488 



6. Newton's Rings by Polarized Light . . . 488 

 7- Conical Refraction ...... 489 



8. Fringes of Shadows .... . 490 



9. Objections to the Theory 491 



10. Dispersion, on the Undulatory Theory 492 



11, Conclusion , 496 



BOOK X. 



HISTORY OF THERMOTICS AND ATMOLOGY. 

 Introduction . . . . . . . .517 



THERMOTICS PROPER. 



CHAPTER I. THE DOCTRINES OF CONDUCTION AND 

 RADIATION. 



Sect. I. Introduction of the Doctrine of Conduction . 520 



Sect. 2. - Radiation . 524 

 Sect. 3. Verification of the Doctrines of Conduction and 



Radiation 528 



Sect. 4. The Geological and Cosmological Application of 



Thermotics ...... 529 



1. Effect of Solar Heat on the Earth . . 530 



2. Climate 531 



3. Temperature of the Interior of the Earth . 534 



4. Heat of the Planetary Spaces . . . 536 

 Sect. 5. Correction of Newton's Law of Cooling . . 538 

 Sect. 6. Other Laws of Phenomena with respect to Radi- 

 ation .... ... 541 



Sect. 7. Fourier's Theory of Radiant Heat . . . 542 



Sect. 8. Discovery of the Polarization of Heat . . 545 



CHAPTER II. THE LAWS OP CHANGES OCCASIONED BY HEAT. 



Sect. 1. The Law of Expansion of Gases. Dalton and 



Gay-Lussac , 550 



Sect. 2. Specific Heat. Change of Consistence . . 552 



Sect. 3. The Doctrine of Latent Heat . 554 



