404 INDEX 



PAGE 



Graduated circles, testing of 165 



Grinding material for analysis 249 



opaque objects for microscopic study 383-391 



wheels 384, 385, 386 



Ground glass with Abbe condenser 36 



loss of light in using 136 



Habit of crystals 1 70 



Half-shadow illumination 189 



Hemihedral crystals 169 



Hemimorphic crystals 169 



Hemispheres for orientation 115, 116, 117 



Hexagonal system, characteristics of 181 



Holohedral crystals 169 



Hot stages 222, 223, 224 



Hydrofluoric acid as a reagent 121, 268 



Idiomorphic crystals 169 



Ignition 248 



Illumination 3~53 



dark-ground 40 



differential color 51 



orthogonal 50, 61 



reflected light 37~39 



transmitted light 30, 31 



ultraviolet ray 51 



Illuminators, vertical 76 



Immersion, method of refractive index determination 184-196 



method, liquids for 201, 202 



objectives 5 



ultramicroscope 72 



Interfacial angles 168 



Interference colors 174 



figures 173 



Interpretation of appearances with transmitted light 31 



reflected light 38 



lodates, detection of 378 



Iodides, detection of 378 



Iron, common salts 362 



detection by oxalic acid and barium salts 299 



potassium ferrocyanide 362 



sulphocyanates 310 



Isometric system, characteristics of 180 



Isotropic bodies 159 



crystals 171 



refractive index of 185 



Kryptokinetic motion 55 



