414 SCIENTIFIC RECORD FOR 1884. 



SUBJECT AND AUTHOR INDEX. 



No. of paragraph. 

 A.bbe, Prof. C. : 



State weather services 2 



Meteorological societies 4 



Scientific freedom iu Russia 9 



Monthly weather reviews 11 



Standard time , 17 



Meteorological education 19 



Meteorological journals 20 



Signal Service heptades 27 



Geographical distribution of epidemics 38 



Meteorology of equatorial regions 44 



Subjective climate 78 



Reprint of writings of American meteorologists 87 



Bibliography of meteorology 89 



Meteorological study in United States 91 



Meteorologists v. weather prophets 103 



Methods of verifying 107 



Criterion for size of districts 107 



Source of errors in dew-point apparatus Ill 



Signal Service iJsychrometer studies 122 



Espy's nepheloscope 124 



Thermometer exposure 127 



Sling psychrometer experiments 130 



Criterion for thermometer exposure 132 



Psychrometer studies 133 



Measurement of thunder 152 



Use of dew-point 156 



Value of the dew- point 160 



Utilization of Mount Whitney 169 



Violle and Stokes' actinometers 175 



Importance of pyrheliometry 181 



Temperature and locality 189 



Evaporation, observations needed 200 



Formation of clouds 203 



Espy's cloud studies 206 



Flotation of tops of clouds 211 



Growth of storm center , 226 



Daily cloud map 229 



Explanation of Upton's velocity of sailing vessels 237 



Explanation of diurnal land and sea breeze 237, 251 



Wind force, reduction to standard elevation 245 



Temperature, reduction to standard elevation 189, 245 



Moisture, reduction to standard elevation 245 



Rainfall, reduction to standard elevation 245 



Explanation of sudden changes of pressure 270 



