CONTENTS. 



PAGE 



AN INQUIRY CONCERNING THE WEIGHT ASCRIBED TO HEAT . i 



[Read before the Royal Society, May 2, 1799.] 



AN INQUIRY CONCERNING THE NATURE OF HEAT AND THE 

 MODE OF ITS COMMUNICATION ...... 23 



[Read before the Royal Society, February 2, 1804.] 



EXPERIMENTAL INVESTIGATIONS CONCERNING HEAT . . 131 



[Read before the National Institute of France, April 9 and 30, and 

 May 7, 1804, and April 2, 1805.] 



REFLECTIONS ON HEAT . . . 166 



[Read before the National Institute of France, June 26, 1804.] 



HISTORICAL REVIEW OF THE VARIOUS EXPERIMENTS OF THE 

 AUTHOR ON THE SUBJECT OF HEAT 188 



EXPERIMENTS AND OBSERVATIONS ON THE COOLING OF LIQ- 

 UIDS IN VESSELS OF PORCELAIN, GILDED AND NOT GILDED . 241 



[Read before the National Institute of France, August 10, 1807.] 



AN ACCOUNT OF A CURIOUS PHENOMENON OBSERVED ON THE 

 GLACIERS OF CHAMOUNY : TOGETHER WITH SOME OCCA- 

 SIONAL OBSERVATIONS .CONCERNING THE PROPAGATION OF 

 HEAT IN FLUIDS . . . . . . . .251 



[Read before the Royal Society, December 15, 1803.] 



AN ACCOUNT OF SOME NEW EXPERIMENTS ON THE TEMPERA- 

 TURE OF WATER AT ITS MAXIMUM DENSITY . . . 258 



[Read before the National Institute of France, July 15, 1805.] 



