EXPLANATION OF PLATES. 



Plates VI. and VII. — Two views of the Bethany iron from opposite sides. 



The smooth surface in Plate VI. is where the Cliallenger people removed 



the piece in London. The piece now cut off was taken parallel to this 



surface. (See p. 24.) 

 Plate VIII., Figs. 1 and 2. — Polished and etched surfaces of the iron. (See 



pp. 24-27.) 

 Plate IX., Figs. 1 and 2. — Enlarged views of parts of the polished and 



etched surfaces. (See pp. 25-26.) 



