Xii THE ANTARCTIC MANUAL. 
WAVE OBSERVING. By Commander Wilson-Barker, R.N.R. F.R.8.E. . 
THE AURORA. By Professor Arthur Schuster, F.R.8, 
ATMOSPHERIC ELECTRICITY. By Lord Kelvin, G.0.V.0. D.C.L. LL.D. 
F.B.S. 
CHEMICAL AND PHYSICAL NOTES. By J. Y. eens F.B.8. 
Low Oceanic Temperatures 
Sea Ice . 
Cryohydrates . 
Determination of the Temperature of Saturated Steam, and the Bisiveion 
of Higher Fixed Temperatures by the Condensation of Steam on Salts 
and in Saline Solutions i ‘ 
Determination of the Density of Sea Water by means of the Absolute- Weight 
Hydrometer 
Meteorological Observations and Tastenasiits 2 “ A : ‘ 
Difference between a Calm In-doors and a Calm Out-of- doors 
The Thermometer as a Calorimeter 
Estimation of the Thermal Mass of the Bulb ofa Tharniomoter by ianeutation 
Method of Determining the External Volume or Displacement of the Bulb . 
Calorimetric Constants of a Thermograph 
Calorimetry and Hydraulics 
Temperature of Insolation 
Method of Determining the Calorific Power of the Sun’s Rays which strike 
the Bulb of a Thermometer . 
Calorimetric Factors in connection with the Use of the re 
Directions for Hanging a Barometer on board Ship 
Effect of Change of the Force of Gravity on the Pressure of the deers 
and on the Height of the Barometer 
Examples of Rapid Variations of Atmospheric Temperature, besetiaiy dati 
Fohn 
GEOLOGY. By W.T. Blanford, LL.D. F.R.S. 
Outfit 
Rules for Collecting 
Methods for Observing 
Elevation and Subsidence of the Land 
VOLCANOES AND VOLCANIC ACTION. By J. W. Judd, ¢.B. LL.D. F.B.8. 
ICE OBSERVATIONS. By Professor J. W. Gregory, D.Sc. F.R.S. F.G.8,, and 
Professor T. G. Bonney, D.Sc. LL.D. F.B.8. F.G.8. 
Sea Ice and Icebergs 
Coast Ice 
Structure of the Ice Barrier 
Land Ice r z ‘ : ‘ _ ; ‘ 
108 
122 
132 
133 
134 
137 
139 
143 
143 
145 
149 
152 
152 
161 
176 
180 
182 
183 
186 
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