VOL. II. PLATE I. 



FIG. 1. Axotomous Arsenical-pyrites. 

 Pr. P + oo. 

 o d 



FIG. %. Prismatic Arsenical-pyrites. 

 Pr 1. P+oo. 

 r M 



FIG. 3. Prismatic Andalusite. 



P - CD. ?r. P+oo. 

 P I U 



FIG. 4. Di-prismatic Iron-ore. 

 Pr. P. P + oo. 

 P o M 



FIG. 5. Di-prismatic Olive-malachite. 

 Pr. P. P+o>. 

 o P u 



FIG. 6. Prismatic Epsom-salt. 

 P. P + oo. Pr + OD. 

 / M o 



