INDEX. 



Absorption velocity depends on concentration, 128, 



131 

 Aitken, Work of, VI, 33 

 Apertures of coronas, 53, 60 



Apparatus, Thermal, for pliosphorus emanation, 3 

 Axial color. Size of particles for, 66 

 Axial colors, Data for, 44, 45 



Benzine vapor, Coronas in, 72, 

 Benzol, Coronas in, 55, 58, 83 

 Bulk, Effect of, 119 



ra 



Carbon disulpliide, Coronas in, 85 



Carbon disulphide, Spontaneous nuclei in, 87 



Cloud particles. Numbers of, 39, 63 



Cloud particles. Size of, 39, 49, 52, 54, 66 



Cloud particles. Subsidence of, 63 



Colors, Axial, of coronas, v, VI, 38, 40 



Color tube, v 



Concentrated solutions. Equations for, 134 



Concentration of solution. Effect of, 137, 128 



Condensation, Graded, 70 



Coronas and axial colors compared, 47, 53 



Coronas and axial colors, General observations on, 23 



Coronas and axial colors, Summary of data, 67 



Coronas, Campanulate, etc., 74 



Coronas, Classification of, v, 23, 28, 29 



Coronas, Colors of. v, 25, 28 



Coronas, Hypotheses for sequences of, 33 



Coronas, Investigation of, v, 35, 26 



Coronas in benzol vapor, 55, 58 



Coronas in carbon disulphide, 85 



Coronas in gasolene vapor, 77 



Coronas in petroleum vapor, 79 



Coronas in toluol vapor, 84 



Coronas in water vapor, 62 



Coronas, Normal and other, 65 



Coronas, Seraicircul.ar, 83 



Coulier, Work of, vi 



Data, Old and new, for phosphorus emanation, 31 



Density, Critical, of nuclei, 136 



Diffusion of nuclei, vi, 83 



Diffusion, Rates of, summarized, 155, 157 



Dilute solutions, Equations for, 138 



Distortion of coronas, 74 



Drums for axial colors, 40 



Electrometer, Construction of, 163 

 Electronic agencies, 140 

 Emanation from damp phosphorus, 13, 18 

 Emanation from di-ied phosjiliorus, 19 

 Emanation of phosphorus. Time losses of, 48 

 Ethyl alcohol, Shaken nuclei in, 88 



Gasolene vapor, Coronas in, 77 

 Goniometer, 53 



Hygronietric discrepancy, 147 

 Hypotheses, sec Working Hypotheses 



Induction charges electrometer, 166 



Ionization of phosphorus, at different temperatures, 



6, 11, 21 

 Ionization of phosphorus. Maximum of, 23 



Kelvin, Equation of, reduced, 50 

 Kelvin, Work of, vi 

 Kiessling, Work of, v, 28 



Lenard's researches, 93 



Lenard, Work of, VI 



Liquids, Non-ionizing, Coronas in, 70 



Mass action, 138 

 Mechanism for nuclei, 135 

 Moisture, see Precipitation 



Nucleation compared with ionization, v 



Nucleation, Maximum of, 32 



Nucleation, Spontaneous, 73, 78, 81 



Nuclei, Absorption of, vi 



Nuclei, Decay of, vi, 45 



Nuclei, Diffusion of, 82, 138 



Nuclei due to shaking, 73, 78, 82, 84 



Nuclei due to solution. VI 



Nuclei, Effect of different, 59 



Nuclei, General mechanism for, 135 



Nuclei in amyl alcohol, 150 



Nuclei in benzol vapor, 144 



Nuclei in ethyl alcohol, 151 



Nuclei in methyl alcohol, 152 



Nuclei in toluol vapor, 149 



Nuclei in water vapor, 153 



Nuclei, Nature of, 133, 136, 140, 141, 162 



10,21 



175 



