1922] 



NATURAL SCIENCES OF PHILADELPHIA 



109 



Fig. 



Willemite, Franklin, N. J. 



figure 1. Several of the forms are new: v (4223), K (3142) ; (9.1.10.0), 

 and (10.1.9.0); v and K were present as prominent faces, although 

 v occurred but once on the crystal measured; the other two forms 

 were represented by line faces in the prism zone. 



