INDEX. • 323 



Height(s) : of the Antarctic Coutiiiont, 294 ; of the Barrier, 286 ; on the Beardmore Glacier, 288 ; 



of the South Polar Plateau, 290 ; of the South Pole, 294. 

 Hepworth, M. W. : air circulation over the Antarctic, 206 ; depressions in the Ross Sea area, 



209. 

 Hertz's : thermodynamic diagi-am, 266. 



floBBS : theory of blizzards, 250 : tlieory of glacial and Antarctic anticyclones, 248. 

 Holyhead : gustincss at, 118. 

 Humidity, iv. 

 Hunt, H. A., vii. 

 Hut Point : situation of, 6. 

 Hydrogen generator, 270. 



I 



Ice conditions : near Cape Crozier, 3 ; in McMurdo Sound, 2, 6 ; in the Ross Sea, 2, .3. 

 Insolation : annual variation of, at 78° N. and 78° S., 8-5 ; annual variation of temperature, 



84-90 ; temperature on the plateau, 41. 

 Introduction : chapter I, 1. 

 Iridescent clouds, 9. 

 Isotherms: .January, 34, 3-5; July, .35. 



J 



Jubbulpore : frequency of winds at, 103. 



K 



Kelvin, Lord : daily variation of pressure, 181. 

 Koppen, W. : non-periodic pressure changes, 184. 



LocKYER, J. S. : depressions in the Ross Sea, 209 ; theory of southern hemisphere surface air 

 circulation, 206, 208, 246. 



M 



Mawson, Sir D. : expedition, 141, 144 ; wind in Adelie Land, 14, 97. 



McMurdo Sound : general description of, 6. 



McMurdo type of daily temperature variation, 60. 



Meares, C. H. ; observations taken by, 9, 19, 20. 



Meinardus, W. : depressions at the Gauss Station, 242 ; depressions in the Ross Sea, 209 ; determination 

 of the height of the Antarctic Continent, 294 ; explanation of the ' Fram ' type of daily tem- 

 perature variation, 62, 64 ; general pressure distribution over the Southern Ocean, 208, 246 ; 

 mean temperature of the Antarctic, 92, 93 ; snow-covering at the Gauss Station, 65 ; theory 

 of Antarctic air circulation, 252. 



Meteorological Office: Australian, iii ; London, iii ; New Zealand, lii. 



Mohammad Bakhsh, viii. 



Mohn, H. : viii ; calculation of solar radiation, 63 ; daily temperature variation in the Arctic, 

 70, 71 ; determination of the height of the South Pole, 293 ; explanation of the ' Fi-am ' type 

 of daily temperature variation, 60, 64, 66 ; mean temperatures in the Arctic, 93 ; ' Norwegian 

 North Polar Expedition,' 40, 59, 63 ; temperature on the South Polar Plateau, 38. 



Mossman, R. C. : vii ; large pressure changes in Iceland, 186 ; pressure data of the Discovery 

 Expedition, 166 ; supply of pressure data, 200. 



MuNRO, R. W. : iii ; pressure tube anemometer, 94. 



N 



Nelson, E. W., vi. 



Normand, C. W. : viii ; solar energy amplitude, 63. 



