CONTENTS. 



Page 



Art. I. Historical Eloge of Joseph Fourier. By M. Arago, 

 Perpetual Secretary to the Academy of Sciences 

 of France. (Concluded from p. 25.) . • 217 



II. Remarks on the more important Atmospherical 

 Phenomena. By Professor Ludwig Friedrich 

 Kaemtz of Halle, . . • ^44 



Importance of Meteorology, . . . • 244 



Temperature of the Atmosphere, . • . • 246 



Rise and Fall of the Barometer explained, . • 248 



Winds, — Sea and Land Breezes, ... • • 250 



Trade Winds, . . . • ^50 



Winds in High and Low Latitudes, . . • 252 



' Explanation of the Variable Winds, . . ■ 253 



Moisture of the Atmosphere, ' . . . * 254 



Dew, Hoar-Frost, Fog, Clouds, and Rain, . . 259 



The Barometer and its connection with Temperature, 262 

 Influence of the Direction of the Wind on the" Baro- 

 meter, . . . . . . 265 



Influence of the various Winds on the Weather, . 26 7 



Prognostications of the Weather, . . .271 



III. On Thunder and Lightning. By M. Arago. (Con- 

 tinued from p. 144.) . . . 275 



Concerning the means, by the Aid of which it is pretended 

 that Edifices are protected against injury from Lightning, 275 



Is it true that the Trees which overtop a house, at small 

 distances, free it from all risk of Lightning, a« many me- 

 teorologists pretend ? . . . 276 



