468 



Balleflinta 296 



HALL JAMES, synthesis of rocks . . . 403 



HARDMAN, analysis by 348 



- Hullite 246 



HARKNESS AND NICHOLSON, contact 



metamorphism 390 



HARTLEY, movement of bubbles in 



cavities 24 



HATCH, gabbro 161 



HAUGHTON, Aberdeen granite ... 324 



- analyses by ... 302, 304, 329, 



330, 339, 349 



anortbite and labrado- 



rite . ... 146 



augite 156 



determination of quanti- 



tative relations of 



minerals in rocks ... 40 



eucrite 134 



Irish felsites 349 



Irish granites 328 



Haughtonite 303 



HAUSMANN, diabase 134 



hyalomelane 137 



zircon-syenite 358 



HAUY, euphotide 132 



diorite 133 



dolerite 136 



Hauyn 364 



HAWES, Albany granite 55,379 



analyses by 880 



felspars of dolerite 147 



HEDDLE, Aberdeen granite 324 



analyses by 803 



basalt-glass 185 



bytownite and labradorite 146 



Canisp porphyry 289 



- diopside 89 



diopside, augite, diallage 156 



gabbro 178 



Haughtonite 302 



olivine 164 



pseudophite 107 



rocks of Banffshire ... 251 



- sceyelite 101 



- serpentine 127 



HENRY, analysis of Rowley Eag ... 213 

 HICKS, rocks of St. David's 222, 318, 335 



secondary inclusions ... 27 



HILL, E., density of meteorites ... 50 



HOCHSTETTER, peridotites 79 



HOPFNER AND BscKE, zonal struc- 



ture in felspar 82 



Hornblende, of basic rocks 165 



of serpentines 119 



of the gabbros 161 



- of the intermediate rocks 260 



of the mica-traps ... 353 



of the nepheline and 

 leucite rocks ... 865 



Hornblende of the picrites 

 ophitic 



PAGE 



... 90 

 ... 251 

 ... 287 

 ... 99 

 232, 245 

 ... 250 



...81, 97, 99, 100 

 ... 239 

 244, 245 

 ... 215 

 382 



Hornblende-andesite 

 Hornblende-diabase 

 Hornblende-dolerite 

 Hornblende-gabbro 

 Hornblende-picrite 

 Hornblende-rocks, foliated 

 Hornblende-schist 

 Hornblendic greenstones 

 HORNE, andalusite-schist 



Hornfels 374 



HOUGHTON, analyses by 354,389 



Hour-glass structure 33, 159 



HUDDLESTON, diallage 157 



saussurite 153 



Hudsonite 82 



HUGHES, J., analyses by 228, 283, 



328, 339, 343 



HULL, basalt 187 



Irish granites 831 



mica-traps 357 



trap rocks of Limerick . . . 246 



Hullite 246 



HUSSAK, secondary augite 260 



- serpentine 112 



Hyalomelane 137 



Hyalosiderite 164 



Hypersthene-andesite 43 



Hypersthene, inclusions in 29 



Hypersthenite 138 



IDDINGS AND CROSS, allanite 87 



IDDINGS, lithophysse 338 



Idiomorphic, definition of 236 



Idocrase 890 



Igneous rocks, chemical composi- 

 tion of 37 



classification of 62 



- origin of 11,391 



mineralogical composi- 

 tion of 41 



- physical characters of 47 



- parallel structure in ... 61 

 metamorphosis and 



destruction of 410 



decomposition of 46, 892, 413 



Ilmenite, of basic rocks 166 



sphene after 200 



Inclusions in crystals 17 



Intergrowths of different minerals 30 

 Interstitial matter, chemical com- 

 position of 42 



in dolerite 170 



Iron (metallic) in basalts ... 38, 169 



Iron-ores, of the intermediate rocks 262 

 IRVING, copper-bearing rocks of 



Lake Superior 81 



