On a substance externally resembling bitumen.

Míreanna comhchosúla

• Of the composition and proportion of carbon in bitumens and mineral coal.
  de réir: Kirwan, Richard
  Foilsithe / Cruthaithe: (1793)
• Remarks on ancient Irish effigies sculptured on the walls of the ancient church on White Island, Lough Erne, Magheraculmoney.
  de réir: Du Noyer, George V.
  Foilsithe / Cruthaithe: (1860)
• Flint flakes, from the drift of the North of Ireland
  de réir: Du Noyer, George V.
  Foilsithe / Cruthaithe: (1869)
• Remarks on a class of cromleacs for which the name "primary" or "earth-fast" is proposed
  de réir: Du Noyer, George V.
  Foilsithe / Cruthaithe: (1868)
• Ogham - bearing pillar - stone at Castletimon, Co. Wicklow.
  de réir: Du Noyer, George V.
  Foilsithe / Cruthaithe: (1857)