34 
FIFTH REPORT— 1835, 
heat, is contested by M. Poisson in his Theorie de la Chaleur , 
published since this Report was written. For M. Poisson’s 
view of this subject^ see the Report of the Proceedings of the 
Geological Section, (p.489 of the Lond. and Edinb , Phil. Mas;. 
for Dec. 1835.) 
INDEX, 
Introduction..... page I 
Electricity . 2 
Laplace’s Coefficients....... 7 
Magnetism, . 10 
Heat . 17 
1. Experimental Principles. i'o. 
2. Fundamental Analytical Equations. 19 
3. Solution of the Equations..... 24 
4. Applications of the Solutions . 30 
a, Motion of Heat in the Earth . ib. 
b, Central Heat. 31 
c, Cosmical Heat. 82 
