INDEX. 



551 



Granite Graphic, of Ron a 



Hutton's Theory of, objected to 



— — — Veins of, at Portsoy, Observations on the 

 Contortions of 



— Tors of, in Cornwall, Remarks on the 



Gravel around London, Remarks on the 

 Gray~jcacke, of the Isle of Man 



— — of Aberfoyle . . . , 



■■ of Clovelly, Contortions in the 



— alternating with Clay Slate 



' — Observations on the term . 



Gremstone Porphrjry, near St. David's . 



Greenstone, Observations on the term 



Green Sandstone Stratum, in the Isle of Wight 



Grej/ Weathers, Description of the 



Gypsum accompanies the Salt Springs at Droitwich 



— — — . of the Isle of Purbeck 



of Newhaven, in Sussex 



of the Paris Basin .... 



PAGE 



391 

 432 

 433 

 439 



(56 

 231 



39 



447 



497 



412—447 



93—444 



86 

 393 

 382 

 224 



95 

 166 

 191 

 214 



Hall, Sir James, Observations on his Experiments on the Action 



of Heat modified by Compression, on Vegetable Matter . 20 



Hampstead Heath, Sand of ...... . 224 



Headon Hill, Isle of Wight, Description of .... 184 



Heat, modified by Compression, its Action on Vegetable Matter 21 



Effect of, on the Rocks at the Vitrified Fort of Dun Mac 



Sniochain ......... 266 



Heliotrope of the Island of Rum . . . . ' . 403 



Herland Copper Mine, Description of . . . . . 146 



North, Description of . . . 149 



Hertfordshire Pudding Stmie, Description of the . . . 225 



Highgate Hill, Account of the Strata of . . . . 197 



Hippurites, Observations on some Specimens of . . . 277 



Hogs-Back, near Guildford, Description of the Chalk of the 172 



Hordwell Cliffs, Fossils of 189 



IIoRMER, Mr. L. Account of the Brine Springs at Droitwich 94 

 Hornblende and Felspar, Rocks near St. David's composed of, and 



peculiarity of their Structure . . . SO— S3 — 89. 



