INDEX. 



Ill 



PAGE 



Isobutyl alcohol 



Neodymium chloride in 37 



Neodymium nitrate in 39 



Solution of neodymium nitrate 79 



Solution of uranyl chloride and 



nitrate 81 



Uranous chloride in 45 



Uranyl chloride in 43 



Isomerism, dynamic, theory of IS 



Isoprophyl alcohol 



Neodymium chloride in 36 



Neodymium nitrate in 38 



Uranyl chloride in 43 



Isorropesis 22 



Light- 

 Absorption and emission centers of, 



and heat 1 



Catalytic action of 6 



Lithium chromate and bichromate 33 



Mapping 



Of absorption spectra of various 



salts in solution 31 



Of spectra 87 



Mass, spectroscopic evidence for the 



effect of 71 



Methods and apparatus, experimental. . 27 



Methyl alcohol 



Dysprosium chloride in 47 



Solution of neodymium bromide. . 77 



Solution of neodymium chloride. . 78 



Solution of uranous chloride 82 



Uranous chloride in 45 



Uranyl chloride in 44 



Uranyl nitrate in 44 



Naphthalene, spectrum of 7 



Neodymium 



Acetate in acetone 40 



Acetate in formamide 40 



Bromide in methyl alcohol 79 



Bromide in water and methyl alcohol 77 



Chloride as a methyl alcoholate .... 35 

 Chloride, bromide and nitrate in 



water. 77 



Chloride in butyl alcohol 36 



Chloride in ethyl acetate and 



anthracene 56 



Chloride in isobutyl alcohol 37 



Chloride in isoprophyl alcohol 36 



Chloride in methyl alcohol 78 



Chloride in propyl alcohol 36 



Chloride in water 35, 37 



Chloride in water and ethyl alcohol 77 



Nitrate in acetone 39 



Nitrate in butyl alcohol 38 



Nitrate in ethyl ester 39 



Nitrate in isobutyl alcohol 39 



Nitrate in isopropyl alcohol 38 



Nitrate in propyl alcohol 38 



Salts, absorption of solutions of 



certain 34 



Salts in acid solutions 84 



Spectra, summary of 40 



PAGE 



Nitric acid 



Action on uranous acetate 65 



Oxidation of uranous salts by 64 



Nitric acid solution of uranyl nitrate. . . 86 



Organic compound 



Absorption spectra 8 



Emission spectra of 7 



Oxidation 



Of uranous bromide by hydrogen 



peroxide 61 



Of uranous chloride by hydrogen 



peroxide 58 



Of uranous chloride in hydrochloric 



acid by hydrogen peroxide 60 



Of uranous salts by nitric acid. ... 64 



Of uranous sulphate 61 



Of uranous to uranyl salts in solution 58 



Phosphorescence of salts 54 



Plates, description of 101 



Potassium nickel chromate 33 



Properties of aggregates 95 



Propyl alcohol 



Neodymium chloride in 36 



Neodymium nitrate in 38 



Solution of uranyl nitrate 81 



Uranous chloride in 44 



Uranyl chloride in 43 



Uranyl nitrate in 44 



Reactions, chemical, spectrophotogra- 



phy of 52 



Reduction 



Of uranyl chloride in methyl ester 69 



Of uranyl salts in solution 69 



Selective, of urany] aggregates .... 70 

 Results, summary and general discus- 

 sion of 87 



Samarium 



Absorption spectrum of 48 



Chloride in methyl and ethyl alcohols 49 



Chloride in water 48 



Chloride in water and ethyl alcohol 50 

 Nitrate in water 49 



Schumann waves 6 



Selective reduction of uranyl aggregates 70 



Solvates 



Effect of temperature on the rela- 

 tive intensity of solvate bands. . 74 

 Selective action of chemical reagents 

 on 66 



Solvation 92 



Solvent, influence of 15 



Spark spectra, carriers of 5 



Spectra- 



Carriers of canal-ray 4 



Carriers of spark 5 



Emission, of organic compounds. . . 7 

 Mapping of 87 



Spectrophotography of chemical reac- 

 tions 51 



Spectroscopic evidence for the effect of 



mass 71 



Stark's theory 23 



