INDEX. 



Drthogneisses .... 

 Oscillations in order of crystallization 

 Ouchterlony, Capt. J. . 



PAGE 



238, 244 



. 239 



122, 123 



P 



20, 122 



Pallavaram .... 



Palni hills 



Panidiomorphic structure ... 



Paragneisses ..... 



Pegmatitic charnockite • 



Pegmatoidal pyroxene-plagioclase rocks 



Peridotite contacts .... 



Petrographical provinces, classification by, 



Pinching out of bands .... 



Plagioclase in charnockite . . . 



Pleochroic augite, absence of . 



Pleonaste in pyroxenite 



„ j, xenoliths .... 



Porphyritic structure .... 



Primare Augenstructur . . • 



Primary breccia ..... 



Primary eruptive breccia 



P rimartriimer ..... 



Protoclastic structure .... 



Pyroxenes, abundance of • 



Pyroxene-gneisses, resemblance to Ch. series 

 ,, of France . , 



Pyroxene-granulites, compared with Ch. series 

 „ in Ce>lon 



„ in Canada 



„ in Europe 



„ in Madagascar 



Pyroxene, stability of, at high temperatures 



Pyroxenite ...... 



„ granulitic structure of • 



„ near Pallavaram . . .' 



„ in Salem district . . • 



„ use of term . 



„ varieties of . . 



„ with basic garnetiferous forms 



„ with olivine .... 



H2, I57» 159, 164, 166, 



128 



125 



129 



128 

 128, 



tf5 



154, 



i3o> 



127, 



189, 



192, 

 129, 



129, 



195. 



164, 

 1,68, 



172 

 190 



24Q 

 238 

 172 

 186 

 182 

 249 

 188 

 HO 

 126 

 I67 

 236 



245 

 2l8 

 218 

 218 

 2l8 

 218 



193 



242 

 205 

 242 



153 

 204 

 204 

 206 



245 

 I64 



154 

 I76 

 l82 

 I30 

 166 

 182 

 182 



