388 INDEX 01 A! ["HOBS. 



S< n mil i. Aurora, 140. 



BchOnn ( L.)- Apparatus, 13 j A-beorption, 58 ; Alcohol, 161; Flowers, 



172; Leaves, 176; Liquids, 278; Nitrogen, 303; Ultra-Violet, 



309; Water Sp., 352. 

 Schoop (P.). Aniline, L63. 

 & bottwer! F.i. Flame, 237. 

 Schrauf (A.). Carbon, 154; Dispersion, 215. 

 BchbOdeb (H.). Liquids, 278; Refraction, 325. 

 S< ii i : < » i i ik. [ndium, 261. 

 Schultz B.). Apparatus, 19. 

 Schtjlz-Sellao (C). Absorption, 58; Silver, 335. 

 & hunck (E.). Purple, 182. 

 Bchusteb A.i. Apparatus, li': Analysis, 17; Eclipses, 110; Oxj 



in the Solar Sp., 115; Carbon, L54; Electric, 223 ; Flame, 237; 



Metals, 293; Nitrogen, 303 ; Oxygen, 310; Radiation, 321. 

 Schwebd I F. M. I. History, 6. 

 Seabroke (G. M.). Comet, 74; Displacement of Stellar Sp., 80; fc»olnr 



in general, 99 ; Aurora, L40; Hydrogen, 259. 

 Secchi (A.). History, 6; Books 10; Apparatus, 36, 37 ; Analysis, 17; 



Aluminium, 63; Astronomical in general,! : -. 71. 7J. 



73,79; Displacement of Stellar Sp., 80 ; Fixed Stars, 80, 81, 82; 



Measurement of Stellar Sp., 82 ; M $3; Nebulae, 84; Plan- 



ets, 86, ' v 7, 88; Solar in general, 95, 96; Solar Atmosphere, 101 ; 



Solar Corona, 104; Eclipses, 110; Solar Eruptions, 111; Solar 



Protuberances, 1 19, 120, 121 ; Solar Storms 124 ; Sun-Spots, 127 ; 



Atmospheric, 135 ; Aurora, 140; High Altitudes, 255 ; Hydrogen, 



259, 260; [ron,269; Magnesium, 283 ; Metal?, 294; Sodium, 



Thallium, 3 1 1 ; Water Sp., 

 Sej bi i b T. J. History, 7. 

 Si... tin .I.M . Electric, 224 ; Fluorine, 246 ; Light,272; Phosphorus, 



316; Silicium, 333; Sulphur, 342. 

 Sekulic. [nterference, 262; Dltra-Violet, 349. 

 Sellmeier (W.). Color, 198; Dispersion, 215. 



!I. de). Borax, 146; Carl ic Acid, L80; Carbonal 



Soda, 183; Crystals, 203 ; Oxygen, 310; Sodium, 335a; Sulphur, 



342. 

 mmm: II. . Flowers, 172. 

 m inn in A. |. Aurora, 140. 

 Setteoasi 11 . Quantitative Analysis, 61 ; Nitrogen, 303; Silver, 



