CONTEXTS. 
Page 
Determination of the Temperature Coefficients of the Magnets — 
Temperature Coefficient of the Deflection Magnet xlii 
Temperature Coefficient of the Balance Magnet, » xliii 
Temperature Coefficient of the Bifilar Magnet, 1 
Inclinometer — 
Description of the Instrument - bii 
Facts relating to Observations, bv 
Meteorological Instruments — 
Barometer — 
Description of the Instrument, Iv 
Corrections applied to the Observations, lv 
Thermometers — 
Description and Position of the Dry and Wet Bulb Thermometers, lvi 
Position of Maximum and Minimum Register Thermometers, lvii 
Corrections for Thermometers lvii 
Main- Gauges — 
Description and Positions of the Rain-Gauges, lviii 
Anemometer — 
Position and Description of the Anemometer, lviii 
Mode of Observation, a 
State of the Sky — 
Mode of estimating the Surface and Motions of Clouds, Lx 
Clock, Stove, and Computing Room — 
Mean Time Clock, lx 
Stove and Computing Room, Lx 
Description of the Tables of Observations — 
Description of Tables containing the Daily Observations of Magnetometers, Lvi 
Description of Tables containing the Term-Day Observations of Magnetometers,- -• lxii 
Description of Tables containing the Extra Observations of Magnetometers, lxii 
Description of Tables containing the Daily Meteorological Observations, lxii 
Description of Tables containing the Term-Day and Extra Meteorological Obser- 
vations, Lxiii 
Reference to Tables of Abstracts, Lxiv 
Account of the method adopted in Projecting and Printing the Curves of Term- 
Day Observations, Lxiv 
General Remarks — 
Reasons for the methods adopted in Reducing and Printing the Magnetics! Obser- 
vations, lxiv 
Postscript — 
New method of determining the Value of the Scale Divisions of the Bitilar Mag- 
netometer in Parts of the whole Horizontal Force, Lxv 
Ivesult of Experiments in which the new method w as employed, lxvi 
