414 



Proceedings of the Royal Irish Academy. 



LIST OF PLATES. 



Plate XIV. 1. Chipped quartzite, Jeriah Coal-field, Western Bengal. 



2. ,, ,, S.S.W. of Beherinath Hill, Western Bengal. 



3. ,, ,, Raniganj coal-field, Western Bengal. 



4. ,, vein-quartz, Talchir, Orissa. 

 o. ,, quartzite, Dehkenal, Orissa. 



6. ,, . ,, Ungul, Orissa. 



7. ,, „ Sambalpiir, Central Provinces. 



Plate XV. 8. Polished argillaceous slate, Buradih, Chutia-Nagpur, Western 



9. 



10. 



11. 

 12. 



Plate XVI 



trap, Parisnath Hill, Western Bengal, with section. 



argillaceous slate, Parisnath Hill, Western Bengal. 



quartzite ) Singhbhum. These are of the shouldered 

 trap, J Burmese type. 



13. Eing stone, basalt, Mopani coal mines, Central Provinces, with 



section. 



14. Core of horn-stone, Singhbhum. 



15. Do. Do. 



Map showing areas of distribution. 



