6l6 INDEX 



Subcooling and supersaturation (von Bezold) 249 



Sun, action of, cause of trade winds 5 



Surface, isobaric 175 



of earth, influence on winds 232 



interchange of heat at 376 



of equal pressure 366 



pressure distribution 113-121 



rotating, of earth 57 



Surface resistance (Margules) 531 



Temperature, changes in ascending and descending currents (von Bezold). . . .334-343 



circulation of air of unequal 501 



of atmosphere 126 



of earth 4*5 



potential 495. 554 



varies with latitude 96, 311, 432, 470 



vertical distribution of 288, 323, 326 



virtual 123 



Thermodynamics of atmosphere (von Bezold) 249-284 



Thunderstorms, formation of 249, 262 



heat and cyclonic 262 



Tornadoes and typhoons, rotary character of 19 



Tracy, Charles, rotary action of storms 16-22 



Trade winds, cause of (Hadley) 5-7 



U. 



Upper atmosphere, balloon observations in 285-333 



V. 



Vapor, aqueous 133 



of water 130-134 



Velocity, initial, and altitude 165 



of cyclones 217 



of whirlwinds 154-156 



of winds (Gold) 113-121 



Vertical currents, influence of rotation of earth on 243 



permanent 163 



Vertical distribution of meteorological elements 308 



Vertical motion, deviation from n 



von Bezold, Wilhelm, climatological averages 416-429 



distribution of atmospheric pressure 366-375 



interchange of heat between earth and atmosphere 376-415 



reduction of humidity data from balloon ascensions 326-333 



scientific results of balloon ascensions 285-325 



temperature of ascending and descending currents 334 _ 343 



theory of cyclones 344 _ 3°5 



thermodynamics of the atmosphere 249-284 



