370 CNDBX OF AUTHORS 



Delatjnay. History,'-': Analysis, 41 ; Bolar Protuberances, 118; Elec- 

 tric, 220. 



Pemak^ai (Eug.). Analysis, 41; Cerium, 186 j Didymium, 209 ; Elec- 

 tric, 220. 



Desaines (P.). History, 2 ; Apparatus, 30; Dark Lines in the Bolar 

 Sp., 105; Heat in the Solar 8p., L12; Color, 197; Crystals, 203; 



Dark Lines, 205; Heat, 252; Wave-Lengths, 353. 

 Deslandbes (H.). Analysis, 41 ; Electric, 220 ; Flame, l'.">'2; Nitrogen, 



300. 

 Dewab (J.). Analysis, 47; Chemical Effects of the Solar Sp., L02; 



Heat, 252. 

 DlACON. Apparatus, 12; Alkalies, 61; Bromine, 147; Chlorine, 188; 



Copper, 201 : Electric, 220; Metals, 291. 

 Dibbtts (H. C). Cyanogen, 169; Carbonic Acid, 179; Sulphide of 



Carbon, 183; Flame, 232; Hydrogen, 257 ; Nitrogen, 300; 



Sulphur, 341 ; Water, 351. 

 Dietrich (W. . Apparatus. 32; Sodium, 337. 

 Dikulafait. Borax, 14"). 14»>; Caesium, 150; Lithium, 279; Mineral 



Waters, 297; Nitrogen, 301 ; Rubidium, 327 ; Silver, 334; Stron- 

 tium^^. 

 DnscHEiNER (L.). Apparatus, 34, 39 ; Solar Wave-Lengths, 131; < 



stals, 203; Diffraction, 211 ; Optical, 306; Wave-Lengths, 353. 

 Dm ii A. . Chlorine, 188; Metals, 291; Nitrogen, 301; Selenium, 



332; Sulphur, 341 ; Tellurium, 343. 



DOLI \M> (J. '. History, 2. 



Donatl Comets, 71. 



1 >ONDER8, Analysis, 42. 



Donei i.y .1 P. . Apparatus, 22. 



Dove 11. W. , Electric", 220. 



Draper (H.). History, 2; Books, 8; Apparatus, 24, 28 ; Analysis, 42; 

 ( lomets, 75 ; Fixed Stars, 82 ; Nebula, 85 ; Photography of Stellar 

 Sp., 85; Jupiter, 86; Venus, 88; Bright Lines in the Solar Sp., 

 102; Eclipses, 107; Oxygen in the Solar Sp., 115; Ultra-Violet 

 - iar Sp., L30; Solar Wave-Lengths, 131 ; Diffraction, 211 ; i 



Draper J. C .). Apparatus, 29; Dark Lines in the Solar Sp., 106; 



9 lar Eclipses, 107; Oxygen in the Solar Sp., 115; Oxygen, 309. 

 Draper J. W. , History, 2; Apparatus, 25, '■'<-: Solar Photography, 



116; Red Knd of the Solar Sp., 123; Con.' Sp.. 199: Energy in 



the Sp., 227 ; Heat, 252. 



