VI CONTENTS. 



Page 



Extreme Positions — 



During the Daily Observations ; with the Ranges, 254 



During observed Disturbances; with the Ranges, 255 



During Term-Days ; with the Ranges,- • • • 256 



Mean Positive and Negative Excesses of the Extreme Excursions of the Three 



Magnets, 257 



Of the Daily Means, 258 



Extreme Values of the Diurnal Ranges, 259 



Inclinometer — 



Monthly Means of the Observed Magnetic Dip, 259 



ABSTRACTS OF THE RESULTS OF THE METEOROLOGICAL OBSERVA- 

 TIONS, 261 



Temperature of the Aik — 



Annual Variation, 263 



Diurnal Variation, 264 



Approximations to the Monthly Means from Two Observations, 265 



Diurnal Ranges 267 



Extreme Temperatures, 267 



Temperature of Evaporation — 



Annual Variation, 268 



Diurnal Variation, 269 



Range of the Diurnal Variation, 269 



Pressure of Aqueous Vapour — 



Annual Variation, 270 



Variations with reference to the Position of the Moon, 271 



Extreme Daily Means ; with the Ranges 271 



Diurnal Variation, 272 



Range of the Diurnal Variation, 273 



Relative Humidity — 



Annual Variation, '•••• *.. 274 



Extreme Daily Means ; with the Ranges, 274 



Variations with reference to the Position of the Moon, 275 



Diurnal Variation, 275 



Range of the Diurnal Variation, 276 



Atmospheric Pressure — 



Annual Variation, 277 



Variations with reference to the Position of the Moon, 278 



Diurnal Ranges, 279 



Diurnal Variation, 280 



Range of the Diurnal Variation, 280 



Extreme Readings and Daily Means ; with the Ranges, 281 



Pressure of Dry Air — 



Annual Variation, 282 



Diurnal Variation, 283 



Extremes of the Daily Means ; with the Ranges, 285 



