CONTENTS. V 
MAGNETICAL OBSERVATIONS— 
Daily Observations of Magnetometers, 1 
Term-Day Observations of Magnetometers, 29 
Extra Observations of Magnetometers, 49 
Observations of Magnetic Dip, 75 
Observations of Absolute Horizontal Intensity, 79 
METEOROLOGICAL OBSERVATIONS — 
Daily Meteorological Observations, 85 
Term- Day and Extra Meteorological Observations, 199 
ABSTRACTS OF THE RESULTS OF THE MAGNETICAL OBSERVATIONS, 219 
Abstracts for the Magnetic Declination — 
Annual Period, 221 
Variations with reference to the Position of the Moon, 223 
Secular Change, 224 
Diurnal Variation, 225 
Ranges of the Variations with reference to the Sun, 229 
Ranges of the Variations with reference to the Position of the Moon, 229 
Horizontal Component of Magnetic Force — 
Annual Period, 230 
Variations with reference to the Position of the Moon, 232 
Secular Change, 234 
Diurnal Variation, 235 
Ranges of the Variations with reference to the Sun, 236 
Ranges of the Variations with reference to the Moon, 238 
Vertical Component of Magnetic Force — 
Annual Period, 240 
Variations with reference to the Position of the Moon, 241 
Diurnal Variation, 243 
Secular Change, 245 
Ranges of the Monthly Means of the Diurnal Variation, 245 
Diurnal Ranges with reference to the Position of the Moon, 247 
Magnetic Dip — 
Secular Change, 247 
Annual Period, 247 
Diurnal Variation, 248 
Ranges of the Monthly Means of the Diurnal Variation, 249 
Variations with reference to the Position of the Moon, 250 
Total Magnetic Force— < 
Secular Change, 251 
Annual Period, • 251 
Diurnal Variation, 252 
Ranges of the Monthly Means of the Diurnal Variation, 253 
Variations with reference to the Position of the Moon, 253 
b 
