METEOROLOGY. 427 



No. of paragraph. 



RaiTi : 



WiuU^i' rain iu India 225 



Drags down cooled air 270 



Preceded by blue scintillations 370 



Fostered by smoke haze 386 



Rain-baud : 



Observation of :371-377 



Verification of predict ions by 377 



Rainbow, by rellection from exterior of drops 378 



Rainfall : 



Distribution in Munich. 144 



Distribution in Saxony 216 



Distribution in Switzerland 217 



Distril)utiou iu Germany 218 



Distribution in Italy 219 



Distribution in Europe 220 



Distribution in England 221 



Distribution in Prague 222 



And cloud movement 2^7-230 



And solar periodicity 2-20, 416, 417 



Rain-gauge : 



Value of Nipher's gauge 143 



Niphers, used on the Brocken 148 



Comparative observations 144 



Eflect of altitude 145 



Self-registei iug 146, 147, 148 



Etfect of exposure 220 



Rain-water, chemical analysis of 215 



Redfield, Prof. J. C, study of cloud movement 229 



Refraction and atmospheric temperature 368 



Reis, Prof. P., sun-spot period iu the Rhine 416 



Relative humidity : 



Computation of averages 155, 156 



Jamin's new ratio 159 



Reiiou, E., barometric pressure at Paris 272 



Reynolds, Prof. 0. : 



Motions in air and water 213,265 



Hydrodynamics 264 



Ricliaid, self-registering thermometers. 46 



Richter, A. : 



Altitude of clouds 151 



Cirrus movement and rain 227 



RicHi-nberfer, Prot. H., temperature and altitude 192 



Rinowood. A., twilight observed iu New Zealand 394 



Rogovski, E., constitution of the atmosphere 161 



Roscoe and Stewart, total sunshine 233 



Roth, Dr. F. : 



Approximations assumed by himself and Davis 255 



Deflection due to earth's rotation is independent of the surface friction.. 257 



Frict ion affects devia! ion of eastward motions more than westward 258 



Rykatcheir, M. : 



Krakatoa wave -^91 



Kiakaioa baronu-tric wave 406 



Lunar period in aminometry 408 



