IV CONTENTS. 



Page 

 Observations for the Temperature Corrections — 



Method of Observation, y-irri-g 



For the Bifilar Magnet, xli 



For the Balance Magnet, xlii 



New Method of determining the Temperature Correction, xliv 



Inclinomete r — 



Description of Instrument, and Method of Observing, xlv 



Observations in different Azimuths, xlvi 



Meteoeological Instruments. 



barometer — 



Description of the Instruments used, xlvii 



Comparisons with the Royal Society's Standard, xlvii 



Thermometers — 



Positions of the Thermometers, xlvii 



Corrections of the Thermometers to the Standard, xlix 



B,ain Gauges — 



Positions of the Gauges, xlix 



Anemometer — 



Description of the Instruments, 1 



State of the Sky — 



Mode of Observation, 11 



General and Recapitulatory Remarks — 



Stove, 11 



Clock, li 



Time used, li 



Times of Observations for each Instrument, li 



Initials of Observers for each Hour on the Term-days, Hi 



How to obtain the Absolute Declination from the Observations, lii 



Remarks on the Reductions and Abstracts, lii 



MAGNETICAL OBSERVATIONS— 



Daily Observations of Magnetometers, 2 



Term-Day Observations of Magnetometers, 22 



Extra Observations of Magnetometers, 50 



Observations of Magnetic Dip, 62 



Observation of Absolute Horizontal Intensity, 66 



METEOROLOGICAL OBSERVATIONS— 



Daily Meteorological Observations, 68 



Term-Day AND Extra Meteorological Observations, 110 



Remarks on the Weather, 118 



ABSTRACTS OF THE RESULTS OF THE MAGNETICAL OBSERVATIONS— 



Abstracts for the Magnetic Declination, 136 



Abstracts for the Horizontal Force, 140 



