TABLE OF CONTENTS. 



Pages. 



History 1-8 



Books 8-10 



Apparatus 11-39 



Analysis in general 40-49 



Qualitative Analysis 49 



Quantitative Analysis 49-51 



Absorption Spectra 52-60 



Alkalies and Alkaloids 61 



Aluminium 62-63 



Antimony 64 



Astronomical, in general 66-70 



Comets in general 70-71 



Comets in particular 71-79 



Displacement of stellar spec- 

 tra 79-80 



Fixed Stars 80-82 



Measurements 82 



Meteors 83 



Nebulas 84-85 



Photography 85-86 



Planets 86-88 



Solar spectrum in general.. 88-99 



Solar absorption 99-100 



Solar atmosphere 100-101 



B lines in the solar spec- 

 trum 101 



Bright lines in the solar 



spectrum 101-102 



Chemical effects of solar 



spectrum 102 



Chromosphere and corona. _ 102-105 

 D lines in the solar spec- 

 trum 105 



Dark lines in the solar spec- 

 trum 105-106 



Displacement of the solar 



spectrum 106 



Eclipses of the Sun , 106-111 



Elements in the Sun 111 



Solar eruptions 111-112 



Gas spectra in the Sun 112 



F*ge.«. 

 Astronomical — Continued. 



Heat in the solar spectrum. 112-113 

 Hydrogen in the solar spec- 

 trum 113 



Intensity of the solar spec- 

 trum 113 



Iron lines in the solar spec- 

 trum 114 



Magnesium in the solar spec- 

 trum 114 



Maps of the solar spectrum. 114-115 



Oscillation-frequencies 115 



Oxygen in the solar spec- 

 trum 115 



Photography of 115-117 



Pressure 117-118 



Protuberances 118-122 



Eadiation 122-123 



Pvedend 123-124 



Potation 124 



Storms and cyclones on the 



Sun 124 



Sun-spots 125-129 



Telluric Rays 129 



Ultra-Violet 129-130 



"Water in the solar spectrum. 131 



Wave-lengths 131-132 



"White lines 132 



Twinkling of stars 132 



Atmospheric and Telluric Spec- 

 tra 133-1 35 



Aurora and the Zodiacal Light. 136-142 



Austrium . 143 



Barium 143-144 



Beryllium or Glucinum 144 



Bismuth 145 



Blue Grotto 145 



Borax 145-146 



Bromine 147-148 



Cadmium • 149 



Caesium 150 



Calcium 151-152 



(vii) 



