X CONTENTS. 



CHAPTER V11I. 



Page 



Chronology Revolution of the Pole of the Ecliptic Preces- 

 sion of the Equinoxes Egyptian Zodiacs, - - - 87 



CHAPTER IX. 



Signs of the Zodiac Line of the Apsides Change of the 

 eccentricity of the Earth's Orbit, - - - 97 



CHAPTER X. 



The Seasons Declination of the Sun Equinoxes Divi- 

 sion of the Earth into five Zones Sun's Path, - - 105 



PART II. 



CHAPTER I. 



Meteorology Indications of the Weather Barometer 

 Density of the Air Pressure of the Air Caswell's Bar- 

 ometer, - - - -- . . . 115 



CHAPTER II. 



Winds Temperature of Valleys Trade Winds Mon- 

 soons Hurricanes The Sirrocco The Harmattan The 

 Simoon, - - - - - - - - - 125 



CHAPTER III. 



Clouds and Dew Formation^ Clouds Various kinds of 

 Clouds Table Mountain, - - - - - 137 



CHAPTER IV. 



Climate Distribution of Heat upon the Earth's Surface 

 Different Lengths of Days Thermometer Isothermal 

 Lines Effect of Climate on Plants and Animals Table 

 of Temperatures, - - - - _ - 147 



CHAPTER V. 



Optical Phenomena Color of the Atmosphere Halo Mi- 

 rage Meteoric Showers Zodiacal Light Aurora Bo- 

 realis, - - .*-.--- 159 



