METEOROLOGY. 431 



No. of paragraph. 

 Thermometer — Continued. 



Solar radiatlous, black bulb iu vacuo 117 



Errors ami improvements 112-1 19 



For water temperatures 120 



Thermodynamics, graphic solutions of problems 2(j6 



Thibet, climate of 79 



Thollon, L., atmospheric s])ectrum lines 371 



Thom.sou, Prof. J., studies on whirlwinds 311 



Thunder, measurement of 152 



Thniidor-storms : 



Study of 294 1 



In Bavaria 294 



111 Italy 291 



Thuuder-squalls in United States 3 



Tillo, A. L. von, magnetic charts for Russia 348 



Tissandier, twilights of past years 396 



Topfer, Professor, rainfall in Germany 218 



Tornadoes: 



Generation of 3 



Relation to cyclones 3 



At Oakville 3 



Tripe, Dr. J. W., meteorology and health 13 



Tromholt, Prof. S. : 



Aurora at Godthaab 3G2 



Aurora observers reporting to him 362 



Observations and experiments in Finmark, Iceland, Norway 304-367 



Trowbridge, Prof. J., author of elementary text-book on physics 72 



Twilight : 



Ord in ary 380-384 



Extraordinary 382,387-404 



Twilight dust, height of 380,384,393-403 



Typical weather phenomena 320 



Upton, Prof. W. : 



Temperature distribution in United States 194 



Meteorology of eclipse expedition 236 



Hypsometric formula 419 



Valentine, L., proprietor of Houghton farm , 45 



Veritication of rain-band prediction 377 



Verbeek, R. D. M. , report on Krakatoa , 391 



Vettin, Dr., experiments in aerodynamics 263 



Vogel, Dr. H. C, actinometric methods 182 



Waldo, F. : 



Meteorological education 90, 91 



Barometer comparisons 137 



Walker, Gen. J. T., Krakatoa wave observed in India 407 



Weather areas : 



Movement of , 3 



Charts, America and Europe 22 



Review, monthly, Italian 23 



Reports, transatlantic 95, 96 



Woaiher predictions: 



Local 45,93 



Rain-band 377 



Long range 94 



