Carbon. 0*60 per cent. Vanadium, 0-71 per cent. 



Pale ground mass of slightly Vanadiferous Ferrite. Dark 

 areas, Troostitic Vanadium Pearlite. Less dark areas, Sorbitic 

 Vanadium Pearlite. White cell walls and masses, "B" Iron 

 Cementite, resulting from thermal decomposition of laminated 

 Iron Pearlite, a few areas of which still remain undecomposed. 



Carbon, 0-93 per cent. Vanadium, 5-84 per cent. 



Ground mass of Sorbitic Vanadium Pearlite, overlaid with a broken 

 and irregular mesh-work of Vanadiferous Perrite. 



Fius. 8 aud Ba. (Magnitied 45u diameters.) 



