24 Jackson, Deposit of the Lower Bann Valley. 



Plate III. Clay-slate Implements from Culbane, Co. Derry. 

 [Darbishire, Bell, and author's collections.] 



Figs. I to 3. — Whetstones (No. 2 — Inscribed). 

 ,, 4 to 10. — Chisels. 

 „ II. — Celt. 



,, 12. — Hoe.? 



