INDEX OF AUTHORS. 369 



Aluminium, 62 ; Antimony, 64 ; Fixed Stars, 81 ; Solar in gen- 

 eral, 90; Solar Absorption Sp., 99; Dark Lines in the Solar Sp., 

 105; Telluric Rays in the Solar Sp., 129; Ultra- Violet Rays of 

 the Solar Sp., 129, 130; Atmospheric, 133; Aurora, 137; Bis- 

 muth, 145 ; Cadmium, 149 ; Copper, 201 ; Gold, 250 ; Hydrogen, 

 257; Inversion, 263; Iron, 268; Lead, 271; Magnesium, 282; 

 Maps, 287 ; Metals, 290 ; Silver, 334 ; Sodium, 337 ; Thallium, 

 344 ; Ultra-Violet, 348 ; Wave-Lengths, 353 ; Zinc, 360. 



Cortie (A.). Sun-Spots, 125. 



Cory (F. W.). Meteorological, 295. 



Cossa (A.). Cerium, 186. 



Croce-Spinelli (J.) et Sivel. High Altitudes, 255. 



Crookes (W.). Apparatus, 23 ; Analysis, 41 ; Aluminium, 62 ; Car- 

 bonic Acid, 179; Didymium, 209; Diffraction, 211; Discontinu- 

 ous. 212; Erbium, 228 ; Flame, 232; Fluorescent, 241; Gadoli- 

 nite, 247 ; Light, 272 ; Metals, 290 ; Phosphorescent, 313 ; Radia- 

 tion, 321; Refraction, 323; Samarium, 329; Samarskite, 330; 

 Sodium, 337 ; Thallium, 344 ; Yttrium, 359. 



Cros (Ch.). Carbon Compounds in general, 156 ; Silver, 334. 



Croullebois. Analysis, 41 ; Crystals, 203 ; Liquids, 276 ; Refraction, 

 323. 



Crova (A.). Apparatus, 19, 27, 29, 33 ; Absorption Sp., 53 ; Solar Ab- 

 sorption, 99; Solar Radiation, 123; Telluric Rays of the Solar 

 Sp., 129; Solar "Wave-Lengths, 131; Atmospheric, 133; Aurora, 

 137 ; Flame, 232 ; Heat, 251 ; Radiation, 321 ; Wave- Lengths, 

 353. 



Cruls (L.). Apparatus, 30 ; Astronomical in general, Cy() ; Comets, 

 76, 77. 



Czechowicz. Electric, 220. 



Dalet. Solar in general, 90. 



Damien. Acetic Acid, 160; Liquids, 276; Sodium, 337; Water, 351. 



Daniel. Electric, 220. 



Daube (F. U.). Curctimin, 169. 



Datjmer et Thibaut. Oils, 178. 



Debray (II.). Apparatus, 20 ; Metals, 291. 



Delachanal (B.). Apparatus, 17, 18, 38. 



Delafontaine. Cerium, l<S(i; Decipium, 207; Didymium, 209; Er- 

 bium, 228; Gadolinite, 247; Holmium, 256; Metals, 291; Phil- 

 ippium, 311; Samarium, 329; Samarskite, 330; Terbium, 343; 

 Thulium, 345. 

 24 t 



