PLATE 41. 



Illusteative or Mn. Hardman's Paper " On the Irish Caeboniferotis 



Dolomites." 



Vide Proceedings of E. I. Acad., Vol. 2, Ser. 2, p. 705. 



Fig. 1. Eockhead Quarry, Loiigliry, Co. Tyrone. 



2. Section at Eiverview, Co. Kilkenny. 

 a, a, a. Dark grey limestone. 



I, b, h. Intervening layers of calcite. 



3. Dolomite, near Jenkinstown, Co. Kilkenny, showing cellular 



structure simulating " current bedding," the cavities filled 

 with calc-spar. 



