120 THE REGULAR OCTAHEDRON, AND 



THE RHOMBIC DODECAHEDRON, AND 



Primary form, 



rs& 7 - K rh 



^e. / ' ? E>/ p ,-"7 



v^ > x - \/ 

 V \AX 'ii ; - V 



x x\ /X 



y 



Modifications. 

 Class a. 



\ 



