Kirke Rose. 



Roy. Soc. Proc., vol. 74, Plate 10. 



Fig-. 3. Silver 92-87% 

 Cadmium. 7- 13% 

 vert. 



Fig. 5. Silver 55-27% 

 Ca/dmium 44- 73% 

 x 20 vert. 



Fig. 4. Silver 80-5 % 

 Cadmium 13-5 % 

 xio oblique. 



Rg-.aSilver 5070% Cadmium49-3O% 

 Quenched froixi 350 

 xio oblique. 



Fig. 7 Same as^.Fig.6. Fig. 8. Silver 9-42% 



Quenched from 550 Cadmium 90-58% 



x 10 wrf, . x so vertical . 



x 30 vert . 



