METEOROLOGY. 419 



Ko. of paragraph. 



Cunuingliam, measurement of fog density 153 



Currents : 



Asceudiug, influence of vapor 201 



Upper, suggestions as to 265 



Cycle, barometer and rainfall 3 



Dainiau, J., cloud movement and rain 230 



Danckelmau, Dr. A. von: 



Meteorology of Congo region 85, 385 



Kainfall in Saxony 216 



Darwin, G. PL, formation of ripple-marks and cirri 214 



Davis, William M. : 



Winds of the Atlantic 3 



Tornadoes and cyclones 3 



Composite portraiture 154 



Elemen tary proof of Ferrel's law 254 



Characteristics of the simoom 307 



Dawson, H. P., climate at Fort Eae 37,39 



Days, periods of cold 313, 319 



Decades : 



Used at Leipsic 26 



Possible in the Signal Service 27 



Dechevreus, P. M., typhoons of 1882 289 



Denza, F.: 



Observations in captive balloon 108 



Barometric comparisons in Europe 138 



Deutsche-Seewarte, method of verifying predictions 106 



Dew-point apparatus: 



Modifications of 123,124,125 



Advantages of use of 156 



The value of, in predictions 1(30 



Doberck, Dr. W. , director at Hong-Kong 52, 53 



Doering, O., temperature and variations in South America 195 



Drainage, subterranean, into wells 223 



Droughts and floods 220,221 



In India 224 



Dnfonr, Prof. IL: 



Self-rpgisterir g barometer 141 



Electrical observations 335 



Minute unfrozen fog pai'ticles 390 



Dunwoody, Lieut. H. H. C, popular weather sayings 97 



Dust phenomena, explanation of 208, 209, 210, 211, 213 



Dworak, sound radiometers 152 



Earth currents 350, 353 



Eccentricity of the earth aflecting climate 433, 441 



Edlund, Professor, theory of uuipolar induction 334 



Education, meteorological 19, 90 



Egorofi", Professor, atmospheric spectrum lines 371 



Ekama, Dr. H. : 



Aurora observed at Kara 358 



Aurora and polar bands 358 



Ekholm, N., climate of Spitzbergen 32 



Electricity: 



Congress for 329, 330 



History of ^31 



