170 



Scientific Proceedings, Royal Dublin Society. 



Table of the Eruptive and Granitic Kocks and Metamorphic Granite. 



Group of the Rocks. 



Eocene, 



Triassic, 



Carboniferous, 



Devonian and 

 Silurian, 



Llandovery and 

 Ordovician, 



Arenig and Cam- 

 brian, 



Dolei-yte, euryte, and fel- 

 stone (Trachyte), 



Elvan, . 



Intrusive triclinic felspar 

 granite, .... 



Intrusive rnonoclinic felspar 

 granite, .... 



Metamorphic granite, . 



Doleryte, euryte, and felstone, 

 Elvan, .... 



Intrusive triclinic felspar 



granite, .... 

 Intrusive rnonoclinic felspar 



granite, .... 

 Metamorphic granite, . 



Melaphyre, euryte, and fel- 

 stone, .... 



Elvan, .... 



Intrusive triclinic felspar 

 granite, .... 



Intrusive rnonoclinic felspar 

 granite, .... 



Metamorphic granite, . 



Melaphyre, diahase, euryte, 



and felstone, . 

 Elvan, .... 



Intrusive triclinic felspar 



granite, .... 

 Intrusive rnonoclinic felspar 



granite, .... 

 Metamorphic granite, . 



Diahase, euryte, quartz-rock, 



and felstone, . 

 Elvan, 

 Intrusive triclinic felspar 



granite, .... 

 Intrusive rnonoclinic felspar 



granite, . 

 Metamorphic granite, . 



Diahase, euryte, quartz -rock, 



and felstone, 

 Elvan, .... 



Intrusive triclinic felspar 



granite, .... 

 Intrusive rnonoclinic felspar 



granite, .... 

 Metamorphic granite, . 



