TABLE OP CONTENTS. 



IX 



Page*. 

 Carbon Compounds — Continued. 

 Special : 



Carbonic Acid 179-180 



Paratoluidine 181 



Paraxylino 181 



Pentaerinus 181 



Phenols __ .. ___ 181 



Picolene 181 



Piperidine 181 



Plants 181 



Purpurin 181-182 



Pyridine .__ 182 



Quinoline .. 182 



Raspberry 182 



Rosaniline 182 



Ruberine 182 



Safranin 183 



Carbonate of Soda 183 



Spongilla Fluviatilis 183 



Sulphide of Carbon 183 



Terebinthine 183 



Terpenes 184 



Tetrahydroquinoline 184 



Tourmeline 184 



Triphenylmenthane 184 



Tropaeolin . 184 



Tropseolin 184 



Turpentine 184 



Ultramarine 184 



Urine 185 



Wine - 185 



Wood 185 



Xantophyll 186 



Cerium 180 



Chlorine 187 



Chlorine Compound*; ... 187-191 



Chlorophyll 192-194 



Chromium 195 



Cobalt 190 



Colour 197-199 



Cone Spectrum 199 



Constants 200 



Copper 201-202 



Crystals 203 



D Line 204 



Dark Lines 205-200 



Davyum 200 



Decipium _. 207 



Density 207-208 



Pages. 



Didymium . 209 210 



Diffraction 211 



Discontinuous Spectra 212 



Dispersion Spectra 212-216 



Dissociation 216 



Distribution 217 



Double Spectra 217 



Dysprosium 218 



Electric Spectra 218-225 



Emission Spectra .. 226 



Energy in the Spectrum 227 



Erbium 228-229 



Exchanges 230 



Explosions 230 



Flame and Gas Spectra ___■ 231-240 



Fluorescence 241-245 



Fluorine 246 



Gadolinite 247 



Gallium 248 



Germanium 248 



Glass 249 



Gold 250 



Heat Spectra 261-254 



Helium 255 



High Altitudes 255 



Holmium 256 



Homologous Spectra 256 



Hydrogen 267-200 



Indigo 261 



Indium 261 



Interference 262 



Inversion 263-264 



Iodine 265-267 



Iridium 267 



Iron 268-269 



Jargonium 270 



Lanthanum 270 



Lead 271 



Light 272-273 



Lightning. (See Electricity.) 



Limits of the Spectrum 273 



Lines of the Spectrum 274-275 



Liquids 276-278 



Lithium 279-280 



Longitudinal Rays 281 



Luminous Spectra 281 



Magnesium 282-284 



Manganese 285-286 



Maps ■ 287-288 



