4S1 



INDEX. 



PAGt 



■^ BocG, Mr. 'Edward. A Sketch of the Geology of the Lincoln- 

 shire Wolds. . . 392 



Bole or Ochre, occurs in beds in the North of Ireland . • 186 



Calcareous stalactites in caves in the trap in the Isle of Rathlin 194 



Cambridgeshire, The Rev. J. Hailstone, on the Geology of . 243 



Carhon, an ingredient in some traps • . * . 9 



Carbonate of Lime, found in the trap in Sky . . . 91 



Cardona, in Spain. Dr. Traill on the Salt Mines of . . 404 

 -Caves, numerous in the cliffs of secondary strata at Loch Slapin, 



in Sky ... 1 .... . 25 



abounding in stalactitic concretions, in Sky . . 23 



Chabasite, found at Talisker in Sky . . , , , 83 



abundant at Storr in Sky , . . . . 83 



Chalk, In the North of Ireland, described . . . . 129 



formation of the North of Ireland, described . . 169 



extent of the formation of, in the North of Ireland . If 4 



in the Lincolnshire Wolds, peculiar circumstance in the 



springs of . 393 



Chlorite slate. Mica slate passing into, in Sky ... 29 



Clay, beds of, in connection with the Salt of Cardona . 406 



Clay slate. Mica slate passing into, in Sky . . , , 29 



' stratified with dark blue quartz rock, in Sky . 32 



— — — — interstratified with the beds of red sandstone, and 



sometimes passing into graywacke slate, in Sky , . S6 



among the flcEtz rocks of Werner ... 37 



effect produced by a large whin dyke traversing it, 



in Antrim 205 



Clinkstone, in Sky ... . . . . . . . 66 



porphyry^ occurs in the North of Ireland . . 186 



Clinometer, Lord Webb Seymouji's Description of one . , 385 



may be applied in guaging .... 391 



Coal, occurs in Sky ........ 97 



found at Tyrone in Ireland . . . . . 125 



Ballycaslle in Ireland ..... 126 



• altered by contact with greenstone in StaJfordshire . 263 



